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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 "W" GB Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 28255-2012 Taps With the hollow interior to deposit the swarf
    内容屑丝锥    		 China National Standards
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    GB/T 28251-2012 The technical specifications for timing belt Wheel hobs and timing belt mold hobs
    带轮滚刀和带模滚刀 技术条件    		 China National Standards
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    GB/T 28249-2012 The types and dimensions of timing belt Wheel hobs
    带轮滚刀 型式和尺寸    		 China National Standards
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    GB 50745-2012 Code for design of fire protection for conventiontional island in nuclear poWer plants
    核电厂常规岛设计防火规范    		 China National Standards
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    GB 50747-2012 Code for design of Wastewater treatment in petrochemical industry
    石油化工污水处理设计规范    		 China National Standards
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    GB/T 50746-2012 Code for design of petrochemical recirculation cooling Water unit
    石油化工循环水场设计规范    		 China National Standards
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    GB 28052-2011 Regulation for filling of non-refillable steel Welded cylinder
    非重复充装焊接钢瓶充装规定    		 China National Standards
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    GB 28051-2011 Regulation for filling of Welded insulated cylinder
    焊接绝热气瓶充装规定    		 China National Standards
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    GB 27995.2-2011 Semi-finished spectacle lens blanks - Part 2: Specifications for progressive poWer lens blanks
    半成品眼镜片毛坯 第2部分：渐变焦眼镜片毛坯规范    		 China National Standards
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    GB 18802.1-2011 LoW-voltage surge protective devices - Part 1: Surge protective devices connected to low-voltage power distribution systems -Requirements and tests
    低压电涌保护器（SPD） 第1部分：低压配电系统的电涌保护器 性能要求和试验方法    		 China National Standards
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    GB 16895.21-2011 LoW-voltage electrical installations - Part 4-41: Protection for safety-Protection against electric shock
    低压电气装置 第4-41部分: 安全防护 电击防护    		 China National Standards
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    GB 14232.3-2011 Plastics collapsible containers for human blood and blood components － Part 3: Blood bag systems With integrated features
    人体血液及血液成分袋式塑料容器 第3部分：含特殊组件的血袋系统    		 China National Standards
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    GB 12952-2011 Polyvinyl chloride plastic sheets for Waterproofing
    聚氯乙烯（PVC）防水卷材    		 China National Standards
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    GB 11929-2011 Regulations for designing storage building of high level radioactive liquid Waste
    高水平放射性废液贮存厂房设计规定    		 China National Standards
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    GB 27789-2011 Thermoplastic polyolefin sheets for Waterproofing
    热塑性聚烯烃(TPO)防水卷材    		 China National Standards
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    GB/T 9799-2011 Metallic and other inorganic coatings - Electroplated coatings of zinc With supplementary treatments on iron or steel
    金属及其他无机覆盖层 钢铁上经过处理的锌电镀层    		 China National Standards
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    GB/T 6075.3-2011 Mechanical vibration - Evaluation of machine vibration by measurements on non-rotating parts - Part 3：Industrial machines With nominal power above 15 kW and nominal speeds between 120 r/min and 15 000 r/min when measured in situ
    机械振动 在非旋转部件上测量评价机器的振动 第3部分：额定功率大于15kW额定转速在120 r/min至15000r/min之间的在现场测量的工业机器    		 China National Standards
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    GB/T 5832.3-2011 Determination of moisture in gases - Part 3: The method of Cavity Ring-DoWn Spectroscopy
    气体中微量水分的测定 第3部分：光腔衰荡光谱法    		 China National Standards
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    GB/T 5314-2011 PoWders for powder metallurgical purposes-Sampling
    粉末冶金用粉末－取样方法    		 China National Standards
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    GB/T 3681-2011 Plastics methods of exposure to direct Weathering, to weathering using glass-filtered daylight, and to intensified weathering by daylight using Fresnel mirrors
    塑料 自然日光气候老化、玻璃过滤后日光气候老化和菲涅耳镜加速日光气候老化的暴露试验方法    		 China National Standards
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    GB/T 2878.4-2011 Connections for hydraulic fluid poWer - Ports and stud ends with metric threads and O-ring sealing - Part 4: Hex plugs
    液压传动连接 带米制螺纹和O形圈密封的油口和螺柱端 第4部分：六角螺塞    		 China National Standards
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    GB/T 2878.2-2011 Connections for hydraulic fluid poWer - Ports and stud ends with metric threads and O-ring sealing - Part 2: heavy-duty stud ends (S series)
    液压传动连接 带米制螺纹和O形圈密封的油口和螺柱端 第2部分：重型螺柱端（S系列）    		 China National Standards
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    GB/T 2878.1-2011 Connections for hydraulic fluid poWer - Ports and stud ends with metric threads and O-ring sealing - Part 1: Ports
    液压传动连接 带米制螺纹和O形圈密封的油口和螺柱端 第1部分：油口    		 China National Standards
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    GB/T 28185-2011 Urban heating unit With heat exchanger
    城镇供热用换热机组    		 China National Standards
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    GB/T 27979-2011 Alumina ceramic Wear-resistant composite lining board
    氧化铝耐磨陶瓷复合衬板    		 China National Standards
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    GB/T 27978-2011 Determination of the Waste content in the raw mix of cement
    水泥生产原料中废渣用量的测定方法    		 China National Standards
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    GB/T 27972-2011 Dry-hanging holloW ceramic slab
    干挂空心陶瓷板    		 China National Standards
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    GB/T 27970-2011 Test method for Weight loss of non-metallic gasket materials upon exposure to elevated temperatures
    非金属垫片材料烧失量试验方法    		 China National Standards
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    GB/T 27946-2011 Limited value of hazardous substance in the air of heat treatment Working place
    热处理工作场所空气中有害物质的限值    		 China National Standards
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    GB/T 27945.3-2011 The management of hazardous solid Wastes from heat treatment salts Part 3 ：Method of innocent treatment
    热处理盐浴有害固体废物的管理 第3部分：无害化处理方法    		 China National Standards
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    GB/T 27945.2-2011 The management of hazardous solid Wastes from heat treatment salts Part 2：Test method of extractives
    热处理盐浴有害固体废物的管理 第2部分：浸出液检测方法    		 China National Standards
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    GB/T 27945.1-2011 The management of hazardous solid Wastes from heat treatment salt Part 1 ：General management
    热处理盐浴有害固体废物的管理 第1部分：一般管理    		 China National Standards
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    GB/T 27944-2011 Dryseal pipe threads With the thread angle of 60 degrees
    60°干密封管螺纹    		 China National Standards
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    GB/T 27943-2011 Heat pump driven liquid desiccant outdoor air processor With heat recovery
    热泵式热回收型溶液调湿新风机组    		 China National Standards
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    GB/T 27938-2011 Plain bearings - Thrust Washers - Terms, appearance of damage and cause of failure
    滑动轴承 止推垫圈 失效损坏术语、外观特征及原因    		 China National Standards
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    GB/T 27691-2011 Wire rod for steel cord
    钢帘线用盘条    		 China National Standards
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    GB/T 27686-2011 The metal scraps in Waste electrical and electronic equipment
    电子废弃物中金属废料废件    		 China National Standards
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    GB/T 27684-2011 Seamless and Welded fittings for titanium and titanium alloy
    钛及钛合金无缝和焊接管件    		 China National Standards
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    GB/T 27681-2011 Specification on zero emissions and recycling of cooling Water during melting and casting for copper and copper alloy
    铜及铜合金熔铸冷却水零排放和循环利用规范    		 China National Standards
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    GB/T 27678-2011 The technical specification of Waste water recycle fo hydrometallurgical zinc enterprise
    湿法炼锌企业废水循环利用技术规范    		 China National Standards
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    GB/T 27672-2011 Copper and copper alloy seamless tube for Welding and cutting
    焊割用铜及铜合金无缝管    		 China National Standards
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    GB/T 27670-2011 Clad aluminium alloy Welded tubes for heat exchangers of vehicles
    车辆热交换器用复合铝合金焊管    		 China National Standards
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    GB/T 27613-2011 Hydraulic fluid poWer - Fluid contamination - Determination of particulate contamination by the gravimetric method
    液压传动 液体污染 采用称重法测定颗粒污染度    		 China National Standards
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    GB/T 16474-2011 Designation system for Wrought aluminium and aluminium alloy
    变形铝及铝合金牌号表示方法    		 China National Standards
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    GB/T 14904-2011 Rubber and plastics hoses and hose assemblies With wire reinforcements Hydraulic impulse test with flexing
    钢丝增强橡胶和塑料软管及软管组合件 曲挠液压脉冲试验    		 China National Standards
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    GB/T 12716-2011 Pipe threads With the thread angle of 60 degrees where pressure-tight joints are made on threads
    60°密封管螺纹    		 China National Standards
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    GB/T 12613.7-2011 Plain bearings - Wrapped bushes - Part 7：Measurement of wall thickness of thin-walled bushes
    滑动轴承 卷制轴套 第7部分：薄壁轴套壁厚测量    		 China National Standards
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    GB/T 12613.6-2011 Plain bearings - Wrapped bushes - Part 6：Checking the inside diameter
    滑动轴承 卷制轴套 第6部分：内径检验    		 China National Standards
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    GB/T 12613.5-2011 Plain bearings - Wrapped bushes - Part 5: Checking the outside diameter
    滑动轴承 卷制轴套 第5部分：外径检验    		 China National Standards
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    GB/T 12613.4-2011 Plain bearings - Wrapped bushes - Part 4: Materials
    滑动轴承 卷制轴套 第4部分：材料    		 China National Standards
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    GB/T 12613.3-2011 Plain bearings － Wrapped bushes － Part 3：Lubrication holes, grooves and indentations
    滑动轴承 卷制轴套 第3部分：润滑油孔、油槽和油穴    		 China National Standards
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    GB/T 12613.2-2011 Plain bearings - Wrapped bushes - Part 2: Test data for outside and inside diameters
    滑动轴承 卷制轴套 第2部分: 外径和内径的检测数据    		 China National Standards
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    GB/T 12613.1-2011 Plain bearings - Wrapped bushes - Part 1：Dimensions
    滑动轴承 卷制轴套 第1部分: 尺寸    		 China National Standards
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    GB/T 28201-2011 Assessment code for energy consumption of laundry poWders manufacture
    合成洗衣粉生产能耗评定规范    		 China National Standards
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    GB/T 28198-2011 Ventilator for Windows
    窗用动力通风器    		 China National Standards
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    GB/T 28188-2011 Textiles - Determination of elasticity of horsetail hair interlining - Loop With hanging weight
    纺织品 马尾衬布回弹性的测定 环状挂重法    		 China National Standards
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    GB/T 28187-2011 Textile machinery - Dyeing and finishing machines - Square bars for Winding devices - Dimensions
    纺织机械 染整机器 卷绕装置用方轴尺寸    		 China National Standards
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    GB/T 2677.2-2011 Determination of moisture content in fibrous raW material
    造纸原料水分的测定    		 China National Standards
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    GB/T 28214-2011 Laboratory glassWare - Pipettes colour coding
    实验室玻璃仪器 吸量管颜色标记    		 China National Standards
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    GB/T 28213-2011 Laboratory glassWare - Petri dishes
    实验室玻璃仪器 培养皿    		 China National Standards
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    GB/T 28212-2011 Laboratory glassWare - Condensers
    实验室玻璃仪器 冷凝管    		 China National Standards
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    GB/T 28211-2011 Laboratory glassWare - Filter funnels
    实验室玻璃仪器 过滤漏斗    		 China National Standards
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    GB/T 13508-2011 Polyethylene bloWn containers
    聚乙烯吹塑容器    		 China National Standards
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    GB/T 12806-2011 Laboratory glassWare - One-mark volumetric flasks
    实验室玻璃仪器 单标线容量瓶    		 China National Standards
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    GB/T 12805-2011 Laboratory glassWare - Burettes
    实验室玻璃仪器 滴定管    		 China National Standards
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    GB/T 12804-2011 Laboratory glassWare - Graduated measuring cylinders
    实验室玻璃仪器 量筒    		 China National Standards
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    GB/T 3299-2011 Test method for Water absorption of domestic ceramicware
    日用陶瓷器吸水率测定方法    		 China National Standards
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    GB/T 28115-2011 High-silica porcelain Ware
    高石英瓷器    		 China National Standards
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    GB/T 28114-2011 Magnesium reinforced porcelain Ware
    镁质强化瓷器    		 China National Standards
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    GB/T 27797.5-2011 Fibre-reinforced plastics - Methods of producing test plates - Part 5: Filament Winding
    纤维增强塑料 试验板制备方法 第5部分：缠绕成型    		 China National Standards
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    GB/T 27797.3-2011 Fibre-reinforced plastics - Methodsof producing test plates - Part 3: Wet compression moulding
    纤维增强塑料 试验板制备方法 第3部分：湿法模塑    		 China National Standards
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    GB/T 27796-2011 StraW plates used in buildings
    建筑用秸秆植物板材    		 China National Standards
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    GB/T 27754-2011 Home textiles - The limited of Water extraction material within towel
    家用纺织品 毛巾中水萃取物限定    		 China National Standards
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    GB/T 27860-2011 Chemicals - Estimation of the adsorption coefficient (Koc) on soil and on seWage sludge using high performance liquid chromatography (HPLC)
    化学品 高效液相色谱法估算土壤和污泥的吸附系数    		 China National Standards
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    GB/T 27859-2011 Chemicals - Sediment-Water chironomid toxicity test - Spiked sediment method
    化学品 沉积物-水系统中摇蚊毒性试验 加标于沉积物法    		 China National Standards
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    GB/T 27858-2011 Chemicals - Sediment-Water chironomid toxicity test - Spiked water method
    化学品 沉积物-水系统中摇蚊毒性试验 加标于水法    		 China National Standards
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    GB/T 27844-2011 Chemicals - Solution/extraction behaviour of polymers in Water
    化学品 聚合物在水中的溶解/析出特性    		 China National Standards
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    GB/T 27843-2011 Chemicals - Determination of the loW molecular weight content of a polymer using Gel permeation chromatography（GPC）
    化学品 聚合物低分子量组分含量测定 凝胶渗透色谱法（GPC）    		 China National Standards
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    GB/T 27841-2011 Chemical products for industrial use - Determination of hydrosolubility of solids and liquids With high solubility - Flask method
    工业用化学品 具有高溶解性的固体和液体水溶性测定 烧瓶法    		 China National Standards
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    GB/T 15229-2011 LightWeight aggregate concrete small hollow block
    轻集料混凝土小型空心砌块    		 China National Standards
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    GB 28184-2011 PoWer supply monitoring system for fire protection equipments
    消防设备电源监控系统    		 China National Standards
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    GB 27887-2011 Restraining devices for child occupants of poWer-driven vehicles
    机动车儿童乘员用约束系统    		 China National Standards
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    GB/T 28059.4-2011 Image information management system for highWay network - Platform networking and sharing - Part 4: User and equipment management
    公路网图像信息管理系统 平台互联技术规范 第4部分：用户及设备管理    		 China National Standards
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    GB/T 28059.3-2011 Image information management system for highWay network - Platform networking and sharing - Part 3: Interface and communication protocol
    公路网图像信息管理系统 平台互联技术规范 第3部分：接口与通信控制协议    		 China National Standards
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    GB/T 28059.2-2011 Image information management system for public traffic netWork -Platform networking and sharing - Part 2: Video format and coding
    公路网图像信息管理系统 平台互联技术规范 第2部分：视频格式与编码    		 China National Standards
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    GB/T 28059.1-2011 Image information management system for highWay network - Platform networking and sharing - Part 1: General specification
    公路网图像信息管理系统 平台互联技术规范 第1部分：总则    		 China National Standards
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    GB/T 27960-2011 Ethernet POWLINK communication profile specification
    以太网POWERLINK通信行规规范    		 China National Standards
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    GB/T 27741-2011 Paper and board - Determination of migratable fluorescent Whitening agents
    纸和纸板 可迁移性荧光增白剂的测定    		 China National Standards
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    GB/T 27739-2011 Automatic catchWeighing instruments
    自动分检衡器    		 China National Standards
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    GB/T 27732-2011 Calculation method of energy equilibrium and energy efficiency in Washing, screening and oxygen delignification system
    洗涤筛选、氧脱系统能量平衡及能量效率计算方法    		 China National Standards
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    GB/T 27728-2011 Wet wipes
    湿巾    		 China National Standards
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    GB/T 27722-2011 Calculation method of energy equilibrium and energy efficiency in the raW material preparation system of wood pulp
    木浆备料系统能量平衡及能量效率计算方法    		 China National Standards
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    GB/T 27721-2011 Calculation method of energy equilibrium and energy efficiency in stone ground Wood system
    磨石磨木浆系统能量平衡及能量效率计算方法    		 China National Standards
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    GB/T 27713-2011 Calculation method of energy equilibrium and energy efficiency in alkali recovery combustion system of non-Wood pulp
    非木浆碱回收燃烧系统能量平衡及能量效率计算方法    		 China National Standards
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    GB/T 27712-2011 Calculation method of energy equilibrium and energy efficiency in multiple effect evaporating system of non-Wood pulp
    非木浆多效蒸发系统能量平衡及能量效率计算方法    		 China National Standards
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    GB/T 27709-2011 Calculation method of energy equilibrium and energy efficiency in four stages bleaching system With chlorine dioxide
    带二氧化氯的四段漂白系统能量平衡及能量效率计算方法    		 China National Standards
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    GB/T 27707-2011 Calculation method of energy equilibrium and energy efficiency in the raW material preparation system of straw pulp
    草浆备料系统能量平衡及能量效率计算方法    		 China National Standards
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    GB/T 18477.2-2011 Unplasticized polyvinyl chloride (PVC-U) structure Wall pipeline system for underground soil waste and draindge - Part 2: Ultra-Rib pipes
    埋地排水用硬聚氯乙烯(PVC-U)结构壁管道系统 第2部分：加筋管材    		 China National Standards
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    GB/T 17925-2011 Standard practice for X-ray digital radioscopic examination of cylinder Weld
    气瓶对接焊缝X射线数字成像检测    		 China National Standards
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    GB/T 15157.12-2011 Connectors for frequencies beloW 3 MHz for use with printed boards - Part 12: Detail specification for dimensions, general requirements and tests for a range of sockets designed for use with integrated circuits
    频率低于3MHz的印制板连接器 第12部分：集成电路插座的尺寸、一般要求和试验方法详细规范    		 China National Standards
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