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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "La" GB Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 38216.4-2024 Steel sLag - Determination of total iron content - Titanium trichloride - potassium dichromate titration method
    钢渣-全铁含量的测定-三氯化钛-重铬酸钾滴定法    		 China National Standards
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    GB/T 44436-2024 Laboratory testing and calibration methods for soft X-ray - extreme ultraviolet band space imaging instruments
    软X射线-极紫外波段空间成像仪器实验室检测与定标方法    		 China National Standards
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    GB/T 7948-2024 Sliding bearings - Limit PV test method for pLastic bushings
    滑动轴承-塑料轴套极限PV试验方法    		 China National Standards
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    GB/T 37719.2-2024 Grain and oil storage - Auxiliary atLas for inspection of stored grain pests - Part 2: Sawgrass family, Flatgrass family
    粮油储藏-储粮害虫检验辅助图谱-第2部分：锯谷盗科、扁谷盗科    		 China National Standards
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    GB/T 30595-2024 System materials for extruded polystyrene (XPS) boards for building insuLation
    建筑保温用挤塑聚苯板（XPS）系统材料    		 China National Standards
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    GB/T 44605-2024 Lasers and laser-related equipment - Measurement of absorption distribution of laser optical components - photothermal imaging method
    激光器和激光相关设备-激光光学元件吸收分布测量-光热成像法    		 China National Standards
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    GB/T 16288-2024 Marking of pLastic products
    塑料制品的标志    		 China National Standards
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    GB/T 3074.2-2024 Determination method for eLastic modulus of carbon materials
    炭素材料弹性模量测定方法    		 China National Standards
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    GB/T 44487-2024 Ubiquitous location information overLay protocol
    泛在位置信息叠加协议    		 China National Standards
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    GB/T 27728.3-2024 Wet wipes and simiLar products - Part 3: Special requirements for disinfectant wipes
    湿巾及类似用途产品-第3部分：消毒湿巾专用要求    		 China National Standards
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    GB/T 44574-2024 PLastic check valves for pollution prevention of building drainage pipe systems
    建筑排水管道系统防污染用塑料止回阀    		 China National Standards
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    GB/T 44609-2024 Technical reguLations for desert locust monitoring
    沙漠蝗监测技术规程    		 China National Standards
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    GB/T 18430.1-2024 Vapor compression cycle chillers (heat pumps) - Part 1: Chillers (heat pumps) for industrial or commercial and simiLar purposes
    蒸气压缩循环冷水（热泵）机组-第1部分：工业或商业用及类似用途的冷水（热泵）机组    		 China National Standards
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    GB/T 44533.3-2024 Dies - Ball lock punch fixing pLate - Part 3: Type E - Heavy load simple type
    冲模-球锁紧凸模固定板-第3部分：E型-重载简易型    		 China National Standards
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    GB/T 44533.2-2024 Dies - Ball lock punch fixing pLate - Part 2: Type C and D - Light load simple type
    冲模-球锁紧凸模固定板-第2部分：C型和D型-轻载简易型    		 China National Standards
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    GB/T 44533.1-2024 Punch-Ball locking punch fixing pLate-Part 1: Type A and Type B-Light load long Square and square
    冲模-球锁紧凸模固定板-第1部分：A型和B型-轻载长方形和正方形    		 China National Standards
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    GB/T 44628-2024 ReLationship and aggregation of scientific and technological resources-Principles and methods
    科技资源关联及聚合-原则与方法    		 China National Standards
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    GB/Z 44582-2024 Electric bread slice toaster for household and simiLar purposes-Test method for improving accessibility
    家用和类似用途面包片电烘烤器-提高可达性测试方法    		 China National Standards
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    GB/T 44535-2024 PLastics-Determination of linear dimensions of specimens
    塑料-试样线性尺寸的测定    		 China National Standards
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    GB/T 44640-2024 Chemicals-Test for thyroid activity of African cLawed frog embryos
    化学品-非洲爪蟾胚胎甲状腺活性试验    		 China National Standards
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    GB/T 44619-2024 Identification method for quarantine of Pomacea canalicuLata
    福寿螺检疫鉴定方法    		 China National Standards
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    GB/T 23473-2024 Quarantine procedures for transportation of forestry pLants and their products
    林业植物及其产品调运检疫规程    		 China National Standards
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    GB/T 44652-2024 Material decLaration of electrical and electronic products - Requirements for declaration of hazardous substances
    电子电气产品材料声明-有害物质声明要求    		 China National Standards
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    GB/T 33290.24-2024 ReguLations for the review of cultural relics leaving the country - Part 24: Enamelware
    文物出境审核规范-第24部分：珐琅器    		 China National Standards
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    GB/T 33290.23-2024 ReguLations for the review of cultural relics leaving the country - Part 23: Glassware
    文物出境审核规范-第23部分：玻璃器    		 China National Standards
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    GB/T 33290.22-2024 ReguLations for the review of cultural relics leaving the country - Part 22: Jade and stoneware
    文物出境审核规范-第22部分：玉石器    		 China National Standards
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    GB/T 33290.21-2024 ReguLations for the review of cultural relics leaving the country - Part 21: Relics of ethnic minority celebrities
    文物出境审核规范-第21部分：少数民族名人遗物    		 China National Standards
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    GB/T 33290.20-2024 ReguLations for the review of cultural relics leaving the country - Part 20: Articles for religious sacrifices and ritual activities of ethnic minorities
    文物出境审核规范-第20部分：少数民族宗教祭祀和礼仪活动用品    		 China National Standards
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    GB/T 33290.19-2024 ReguLations for the review of cultural relics leaving the country - Part 19: Physical materials of minority buildings
    文物出境审核规范-第19部分：少数民族建筑物实物资料    		 China National Standards
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    GB/T 33290.18-2024 ReguLations for the review of cultural relics leaving the country - Part 18: Minority costumes
    文物出境审核规范-第18部分：少数民族服饰    		 China National Standards
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    GB/T 44641-2024 Rules for cLassification and model compilation of police vehicles
    警用车辆产品分类及型号编制规则    		 China National Standards
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    GB/T 44559.1-2024 PLastics - Determination of punching performance of rigid plastics - Part 1: Non-instrumented impact test
    塑料-硬质塑料冲孔性能的测定-第1部分：非仪器化冲击试验    		 China National Standards
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    GB/T 17913-2024 Storage of grain and oil - phosphine circuLation fumigation equipment
    粮油储藏-磷化氢环流熏蒸装备    		 China National Standards
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    GB/T 6003.2-2024 Test sieves - technical requirements and inspections - Part 2: Metal perforated pLate test sieves
    试验筛-技术要求和检验-第2部分：金属穿孔板试验筛    		 China National Standards
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    GB/T 44557-2024 Refrigeration systems and heat pumps - flexible piping elements and non-metallic pipe fittings - requirements and cLassification
    制冷系统及热泵-挠性管道元件和非金属管件-要求和分类    		 China National Standards
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    GB/T 39315.4-2024 Military and civilian general resources - CLassification and coding - Part 4: Equipment - Sanitary equipment General resources - data model - Part 4: Equipment - sanitary equipment
    军民通用资源-数据模型-第4部分：器材类-卫生器材    		 China National Standards
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    GB/T 38003.4-2024 Military and civilian general resources - CLassification and coding - Part 4: Equipment - Sanitary equipment
    军民通用资源-分类与编码-第4部分：器材类-卫生器材    		 China National Standards
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    GB/T 44485-2024 Beidou ground-based augmentation system real-time positioning cLassification service content and data format
    北斗地基增强系统实时定位分级服务内容及数据格式    		 China National Standards
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    GB/T 19963.2-2024 Technical reguLations for wind farm access to power system - Part 2: Offshore wind power
    风电场接入电力系统技术规定-第2部分：海上风电    		 China National Standards
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    GB/T 44629-2024 Technical guide for user evaluation of dispLay and control interface ergonomics
    显控界面工效学用户测评技术指南    		 China National Standards
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    GB/T 27728.1-2024 Wet wipes and simiLar products - Part 1: General requirements
    湿巾及类似用途产品-第1部分：通用要求    		 China National Standards
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    GB/T 27728.2-2024 Wet wipes and simiLar products - Part 2: Special requirements for baby wipes
    湿巾及类似用途产品-第2部分：婴童湿巾专用要求    		 China National Standards
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    GB/T 44563-2024 Aviation Titanium alloy convex head Large foot threaded blind rivets
    航空用钛合金凸头大底脚螺纹抽芯铆钉    		 China National Standards
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    GB/T 44562-2024 Titanium alloy 100° countersunk Large-foot threaded blind rivets for aviation
    航空用钛合金100°沉头大底脚螺纹抽芯铆钉    		 China National Standards
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    GB/T 22504.4-2024 Grain and oil inspection-Auxiliary atLas for sensory inspection of grains-Part 4: Oil
    粮油检验-粮食感官检验辅助图谱-第4部分：油料    		 China National Standards
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    GB/T 29168.4-2024 Petroleum and natural gas industry-Bends, pipe fittings and fLanges for pipeline transportation systems-Part 4: Cold-bent pipes
    石油天然气工业-管道输送系统用弯管、管件和法兰-第4部分：冷弯管    		 China National Standards
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    GB/T 29168.2-2024 Petroleum and natural gas industry-Bends, pipe fittings and fLanges for pipeline transportation systems-Part 2: Pipe fittings
    石油天然气工业-管道输送系统用弯管、管件和法兰-第2部分：管件    		 China National Standards
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    GB 21456-2024 Household and simiLar Energy efficiency limits and energy efficiency grades for on-road kitchen appliances
    家用和类似用途厨房电器能效限定值及能效等级    		 China National Standards
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    GB 16174.1-2024 Surgical impLants-Active implantable medical devices-Part 1: General requirements for safety, marking and information provided by manufacturers
    手术植入物-有源植入式医疗器械-第1部分：安全、标记和制造商所提供信息的通用要求    		 China National Standards
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    GB 16174.2-2024 Surgical impLants-Active implantable medical devices-Part 2: Pacemakers
    手术植入物-有源植入式医疗器械-第2部分：心脏起搏器    		 China National Standards
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    GB 17927-2024 Furniture fLame retardant performance safety technical specifications
    家具阻燃性能安全技术规范    		 China National Standards
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    GB 44499-2024 Household and simiLar electrical appliances-Energy-saving and environmental protection specifications
    家用和类似用途电器-节能环保规范    		 China National Standards
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    GB 44498-2024 Household and simiLar electrical appliances-Health technical specifications
    家用和类似用途电器-健康技术规范    		 China National Standards
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    GB/T 44378-2024 InsuLating liquids-Methods for particle counting and size classification
    绝缘液体-颗粒计数和尺寸分类的方法    		 China National Standards
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    GB/T 27665-2024 Methods for measuring Laser performance of neodymium-doped yttrium aluminum garnet laser rods
    掺钕钇铝石榴石激光棒激光性能测量方法    		 China National Standards
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    GB/T 17948.4-2024 Rotating motors-Functional evaluation of insuLation structures (Type II)-Formed winding test procedures-Electrical durability evaluation
    旋转电机-绝缘结构功能性评定（Ⅱ型）-成型绕组试验规程-电气耐久性评定    		 China National Standards
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    GB/T 30144-2024 YZP-H series variable frequency speed reguLating three-phase asynchronous motors for marine hoisting - Technical specifications (frame size 112~400)
    YZP-H系列船用起重用变频调速三相异步电动机-技术规范（机座号112～400）    		 China National Standards
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    GB/T 39560.303-2024 Determination of certain substances in electrical and electronic products - Part 3-3: Gas chromatography-mass spectrometry with pyrolysis/thermal desorption - (Py/TD-GC-MS) Screening of polybrominated biphenyls, polybrominated diphenyl ethers and phthaLates in polymers
    电子电气产品中某些物质的测定-第3-3部分：配有热裂解/热脱附的气相色谱-质谱法-（Py/TD-GC-MS）筛选聚合物中的多溴联苯、多溴二苯醚和邻苯二甲酸酯    		 China National Standards
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    GB/T 17727-2024 Non-metallic gaskets for marine fLanges
    船用法兰非金属垫片    		 China National Standards
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    GB/T 4706.125-2024 Safety of household and simiLar electrical appliances - Part 125: Special requirements for self-balancing manned transport devices using batteries containing alkaline or other non-acid electrolytes
    家用和类似用途电器的安全-第125部分：使用含碱性或其他非酸性电解质电池组的自平衡载人运输装置的特殊要求    		 China National Standards
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    GB/T 5169.12-2024 Fire hazard testing for electrical and electronic products - Part 12: Basic test methods for glowing wire/hot wire - Glow wire fLammability index (GWFI) test method for materials
    电工电子产品着火危险试验-第12部分：灼热丝/热丝基本试验方法-材料的灼热丝可燃性指数（GWFI）试验方法    		 China National Standards
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    GB/T 44403-2024 Optics and photonics - Telescopic systems - General terms and terms for binocuLars, telescopes, observation mirrors and sighting telescopes
    光学和光子学-望远镜系统-通用术语和双筒望远镜、单筒望远镜、观测镜及瞄准望远镜术语    		 China National Standards
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    GB/T 6553-2024 Electrical insuLating materials for use under severe environmental conditions - Test methods for assessing resistance to tracking and erosion
    严酷环境条件下使用的电气绝缘材料-评定耐电痕化和蚀损的试验方法    		 China National Standards
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    GB/T 44268.2-2024 Microscopes - Definitions and measurements of illumination characteristics - Part 2: Color-reLated illumination characteristics for brightfield microscopy
    显微镜-照明特性的定义和测量-第-2-部分：明场显微镜中与颜色有关的照明特性    		 China National Standards
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    GB/T 44276.2-2024 Microscopes - Cover gLasses - Part 2: Material quality, finished product standards and packaging methods
    显微镜-盖玻片-第2部分：材料质量、成品标准和包装方式    		 China National Standards
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    GB/T 44276.1-2024 Microscopes - Cover gLass - Part 1: Dimensional deviations , thickness and optical properties
    显微镜-盖玻片-第1部分：尺寸偏差、厚度和光学特性    		 China National Standards
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    GB/T 30372-2024 Guidelines for acceptance of distributed control systems for thermal power pLants
    火力发电厂分散控制系统验收导则    		 China National Standards
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    GB/T 31838.8-2024 Solid insuLating materials - Dielectric and resistive properties - Part 8: Determination of dielectric properties (AC method) - Relative dielectric constant and dielectric loss factor (frequency - 1-MHz~300-MHz)
    固体绝缘材料-介电和电阻特性-第8部分：测定介电特性（AC方法）-相对介电常数和介质损耗因数（频率-1-MHz~300-MHz）    		 China National Standards
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    GB/T 44389-2024 Ice plugs for freezing isoLation of nuclear power plant pipelines
    核电厂管道冰塞冷冻隔离    		 China National Standards
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    GB/T 14078-2024 Technical specifications for helium-neon Lasers
    氦氖激光器技术规范    		 China National Standards
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    GB/T 2423.65-2024 Environmental testing - Part 2: Test methods - Test: salt spray/temperature/humidity/soLar radiation combination
    环境试验-第2部分：试验方法-试验：盐雾/温度/湿度/太阳辐射综合    		 China National Standards
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    GB/T 4798.11-2024 CLassification of environmental conditions - Classification of environmental parameter groups and their severity classification - Part 11: Drawing of environmental severity distribution maps
    环境条件分类-环境参数组分类及其严酷程度分级-第11部分：环境严酷度分布图绘制    		 China National Standards
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    GB/T 44335-2024 Fine ceramics - Coating test methods - Determination of internal stress in ceramic coatings based on Stoney's formuLa
    精细陶瓷-涂层试验方法-基于Stoney公式的陶瓷涂层内应力测定    		 China National Standards
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    GB/Z 44313-2024 Biotechnology - Biological specimen storage - Requirements for the storage of pLant biological specimens for research and development purposes
    生物技术-生物样本保藏-用于研究和开发用途的植物生物样本保藏要求    		 China National Standards
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    GB/T 44460-2024 Guidelines for quality cLassification of consumer products - sanitary ware
    消费品质量分级导则-卫生洁具    		 China National Standards
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    GB/T 44325-2024 Technical specifications for zero discharge of industrial circuLating cooling water
    工业循环冷却水零排污技术规范    		 China National Standards
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    GB/T 44308-2024 Determination of component content and pore content of carbon fiber and gLass fiber composite reinforced plastics
    碳纤维和玻璃纤维组合增强塑料组分含量和孔隙含量的测定    		 China National Standards
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    GB/T 25915.17-2024 Clean rooms and reLated controlled environments - Part 17: Application of particle deposition rate
    洁净室及相关受控环境-第17部分：粒子沉积速率应用    		 China National Standards
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    GB/T 44382-2024 Ergonomics - Accessible design - Age-reLated color light brightness contrast specifications
    人类工效学-无障碍设计-与年龄相关的色光亮度对比度规范    		 China National Standards
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    GB/T 44307-2024 Carbon fiber reinforced pLastics - Determination of fiber mass content - Thermogravimetric analysis (TG)
    碳纤维增强塑料-纤维质量含量的测定-热重分析法（TG）    		 China National Standards
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    GB/T 44302-2024 Carbon fiber reinforced pLastic and metal assemblies - Determination of tensile lap shear strength
    碳纤维增强塑料和金属组合件-拉伸搭接剪切强度的测定    		 China National Standards
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    GB/T 44305.2-2024 PLastics-Plasticized polyvinyl chloride (PVC-P) molding and extrusion materials-Part 2: Preparation of specimens and determination of properties
    塑料-增塑聚氯乙烯（PVC-P）模塑和挤塑材料-第2部分:试样制备和性能测定    		 China National Standards
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    GB/T 44305.1-2024 PLastics-Plasticized polyvinyl chloride (PVC-P) molding and extrusion materials-Part 1: Nomenclature system and basis for specifications
    塑料-增塑聚氯乙烯（PVC-P）模塑和挤塑材料-第1部分：命名系统及规范基础    		 China National Standards
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    GB/T 44388-2024 Space environment - Laboratory calibration method for thermal plasma in-situ detection payloads
    空间环境-热等离子体原位探测载荷实验室定标方法    		 China National Standards
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    GB/T 26838-2024 Nondestructive testing instruments - Portable industrial X-ray fLaw detectors
    无损检测仪器-携带式工业X射线探伤机    		 China National Standards
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    GB/T 7247.2-2024 Safety of Laser products - Part 2: Safety of optical fiber communication systems (OFCS)
    激光产品的安全-第2部分：光纤通信系统（OFCS）的安全    		 China National Standards
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    GB/T 17889.4-2024 Ladders - Part 4: Hinged ladders
    梯子-第4部分：铰链梯    		 China National Standards
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    GB/T 42558.3-2024 Seismic technology for electrical equipment in converter stations for pLateau use-Part 3: Seismic isolation design specifications
    高原用换流站电气设备抗震技术-第3部分：减隔震设计规范    		 China National Standards
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    GB/T 32517-2024 Mounted couplers for permanent connections in fixed instalLations
    固定装置中永久性连接用安装式耦合器    		 China National Standards
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    GB/T 44429-2024 Risk Management-Large scientific facilities-General provisions
    风险管理-大科学装置-总则    		 China National Standards
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    GB/T 44233.2-2024 Safety requirements for instalLation of batteries and battery packs-Part 2: Stationary batteries
    蓄电池和蓄电池组安装的安全要求-第2部分：固定型电池    		 China National Standards
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    GB/T 44432-2024 Specifications for exchange of express customs decLaration information
    快件报关信息交换规范    		 China National Standards
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    GB/T 44364-2024 Determination of acryLamide in toothpaste-high performance liquid chromatography tandem mass spectrometry
    牙膏中丙烯酰胺的测定-高效液相色谱串联质谱法    		 China National Standards
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    GB/T 44299-2024 Measurement methods and decLarations of detector detection range-passive infrared detectors for large and small motion detection
    探测器探测范围的测量方法和声明-用于大和小运动探测的被动式红外探测器    		 China National Standards
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    GB/T 42216.4-2024 MolecuLar in vitro diagnostic tests-Specifications for pre-test processes of formalin-fixed and paraffin-embedded tissues-Part 4: In-situ detection technology
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    GB/T 42558.2-2024 Seismic technology for electrical equipment of converter stations for pLateau use - Part 2: Seismic design specifications
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    GB/T 44356-2024 CLamping force of die-casting machines - Test methods
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    GB/T 38048.4-2024 Surface cleaning appliances - Part 4: Cordless dry vacuum cleaners for household and simiLar purposes - Performance test methods
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