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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. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 43358-2023 |
Rare earth ores and rare earth products Determination of total alpha and total beta radioactivity Thick source method 稀土矿及稀土产品 总α、总β放射性的测定 厚源法 |
China National Standards pro |
 English PDF |
| GB/T 18115.6-2023 |
Methods for chemical analysis of rare earth impurities in rare earth metals and their oxides - Part 6: Determination of the amounts of lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium in europium 稀土金属及其氧化物中稀土杂质化学分析方法 第6部分：铕中镧、铈、镨、钕、钐、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定 |
China National Standards pro |
English PDF |
| GB/T 43385-2023 |
Environmental Management Systems Guidance on a flexible approach to phased implementation 环境管理体系 采取灵活方法分阶段实施的指南 |
China National Standards pro |
English PDF |
| GB/T 43329-2023 |
General principles for compilation of cleaner production evaluation index system 清洁生产评价指标体系编制通则 |
China National Standards pro |
English PDF |
| GB/T 43361-2023 |
Gas Analysis Validation of Hydrogen Fuel Analysis Methods for proton Exchange Membrane Fuel Cells for Road Vehicles 气体分析 道路车辆用质子交换膜燃料电池氢燃料分析方法的确认 |
China National Standards pro |
English PDF |
| GB/T 15231-2023 |
Test methods for properties of glass fiber reinforced cement 玻璃纤维增强水泥性能试验方法 |
China National Standards pro |
English PDF |
| GB/T 29418-2023 |
Test method for performance of wood-plastic composite extruded profiles 塑木复合材料挤出型材性能测试方法 |
China National Standards pro |
English PDF |
| GB/T 43307-2023 |
Determination of room temperature tensile properties of fine ceramic fiber single filaments 精细陶瓷纤维 单丝室温拉伸性能的测定 |
China National Standards pro |
English PDF |
| GB/T 43296-2023 |
Test method for room temperature bending fatigue properties of fine ceramics 精细陶瓷室温弯曲疲劳性能试验方法 |
China National Standards pro |
English PDF |
| GB/T 43270-2023 |
Complex product collaborative design integrated modeling language 复杂产品协同设计集成建模语言X语言架构 |
China National Standards pro |
English PDF |
| GB/T 43350-2023 |
prosthetics Quantification of physical parameters of ankle-foot devices and foot components 假肢 踝足装置和足部组件物理参数的量化 |
China National Standards pro |
English PDF |
| GB/T 43279.3-2023 |
Molecular in vitro diagnostic tests. Specification of pre-test procedures for venous whole blood. Part 3: Isolation of plasma circulating cell-free DNA. 分子体外诊断检验 静脉全血检验前过程的规范 第3部分：分离血浆循环游离DNA |
China National Standards pro |
English PDF |
| GB/T 43279.2-2023 |
Molecular in vitro diagnostic tests. Specification of pre-test procedures on venous whole blood. Part 2: Isolation of genomic DNA. 分子体外诊断检验 静脉全血检验前过程的规范 第2部分：分离基因组DNA |
China National Standards pro |
English PDF |
| GB/T 43279.1-2023 |
Molecular in vitro diagnostic tests. Specification of pre-test procedures for venous whole blood. Part 1: Isolation of cellular RNA. 分子体外诊断检验 静脉全血检验前过程的规范 第1部分：分离细胞RNA |
China National Standards pro |
English PDF |
| GB/T 24168-2023 |
Determination of phthalates in textile dyeing and finishing auxiliary products 纺织染整助剂产品中邻苯二甲酸酯的测定 |
China National Standards pro |
English PDF |
| GB/T 43272-2023 |
Cyclofenac technical product 唑草酮原药 |
China National Standards pro |
English PDF |
| GB/T 43404-2023 |
Light vehicle road load chassis dynamometer reproduced 轻型汽车道路负载 底盘测功机再现 |
China National Standards pro |
English PDF |
| GB/T 43258.4-2023 |
Road vehicles Diagnostic communications over Internet protocol (DoIP) Part 4: Ethernet-based high-speed data link connectors 道路车辆 基于因特网协议的诊断通信 (DoIP) 第4部分: 基于以太网的高速数据链路连接器 |
China National Standards pro |
English PDF |
| GB/T 43258.3-2023 |
Road vehicles Diagnostic communications over Internet protocol (DoIP) Part 3: Wired vehicle interface based on IEEE 802.3 道路车辆 基于因特网协议的诊断通信（DoIP） 第3部分：基于IEEE 802.3有线车辆接口 |
China National Standards pro |
English PDF |
| GB/T 43258.2-2023 |
Road vehicles Diagnostic communications over Internet protocol (DoIP) Part 2: Transport protocols and network layer services 道路车辆 基于因特网协议的诊断通信（DoIP） 第2部分：传输协议与网络层服务 |
China National Standards pro |
English PDF |
| GB/T 28869.3-2023 |
Magnetic cores made of soft magnetic materials - Measurement methods - Part 3: Magnetic properties at high excitation levels 软磁材料制成的磁心 测量方法 第3部分：高励磁水平下的磁特性 |
China National Standards pro |
English PDF |
| GB/T 28869.2-2023 |
Magnetic cores made of soft magnetic materials - Methods of measurement - Part 2: Magnetic properties at low excitation levels 软磁材料制成的磁心 测量方法 第2部分：低励磁水平下的磁特性 |
China National Standards pro |
English PDF |
| GB/T 43259.302-2023 |
Energy Management System Application programming Interface (EMS-API) Part 302: Dynamic Part of the Common Information Model (CIM) 能量管理系统应用程序接口（EMS-API）第302部分：公共信息模型（CIM）的动态部分 |
China National Standards pro |
English PDF |
| GB/T 43248-2023 |
Electric and hybrid vehicles - Radio disturbance characteristics - Limits and methods of measurement for the protection of off-board receivers below 30 MHz 电动汽车和混合动力汽车 无线电骚扰特性 用于保护30MHz以下车外接收机的限值和测量方法 |
China National Standards pro |
English PDF |
| GB/T 5008.3-2023 |
Lead-acid batteries for starters Part 3: product varieties, specifications and terminal dimensions for heavy-duty vehicles 起动用铅酸蓄电池 第3部分：重载车辆产品品种规格和端子尺寸 |
China National Standards pro |
English PDF |
| GB/T 5008.2-2023 |
Lead-acid batteries for starting use Part 2: product variety specifications and terminal dimensions and markings 起动用铅酸蓄电池 第2部分：产品品种规格和端子尺寸、标记 |
China National Standards pro |
English PDF |
| GB/T 23948-2023 |
Inorganic chemical products - general method for determination of water-insoluble matter 无机化工产品 水不溶物测定通用方法 |
China National Standards pro |
English PDF |
| GB/T 23947.3-2023 |
General method for determination of arsenic in inorganic chemical products Part 3: Atomic fluorescence spectrometry 无机化工产品中砷测定的通用方法 第3部分：原子荧光光谱法 |
China National Standards pro |
English PDF |
| GB/T 3394-2023 |
Determination of trace amounts of carbon monoxide, carbon dioxide and acetylene in ethylene and propylene for industrial use - Gas chromatography 工业用乙烯、丙烯中微量一氧化碳、二氧化碳和乙炔的测定 气相色谱法 |
China National Standards pro |
English PDF |
| GB/T 3392-2023 |
Determination of hydrocarbon impurities in propylene for industrial use - Gas chromatography 工业用丙烯中烃类杂质的测定 气相色谱法 |
China National Standards pro |
English PDF |
| GB/T 43412-2023 |
Recommended process specifications for resistance spot welding of metal sheets 金属薄板电阻点焊推荐工艺规范 |
China National Standards pro |
English PDF |
| GB/T 43321-2023 |
Recommended process specifications for brazing copper and copper alloys 铜及铜合金钎焊推荐工艺规范 |
China National Standards pro |
English PDF |
| GB/T 25774.2-2023 |
Inspection of welding materials Part 2: Preparation of mechanical properties specimens for single-sided single-pass welding and double-sided single-pass welded joints of steel 焊接材料的检验 第2部分：钢的单面单道焊和双面单道焊焊接接头力学性能试样的制备 |
China National Standards pro |
English PDF |
| GB/T 25774.1-2023 |
Examination of welding materials Part 1: Preparation of mechanical properties specimens of steel, nickel and nickel alloy deposited metals 焊接材料的检验 第1部分： 钢、镍及镍合金熔敷金属力学性能试样的制备 |
China National Standards pro |
English PDF |
| GB/T 43314-2023 |
Silicone rubber, determination of phenyl and vinyl content, proton nuclear magnetic resonance spectroscopy 硅橡胶 苯基和乙烯基含量的测定 核磁共振氢谱法 |
China National Standards pro |
English PDF |
| GB/T 13871.4-2023 |
Rotating shaft lip seals with elastomer sealing elements - Part 4: Performance test procedures 密封元件为弹性体材料的旋转轴唇形密封圈 第4部分：性能试验程序 |
China National Standards pro |
English PDF |
| GB/T 43437-2023 |
Information Technology Information product R&D Capability Assessment Model 信息技术 信息产品研发能力评估模型 |
China National Standards pro |
English PDF |
| GB/T 15548-2023 |
General technical conditions for three-phase synchronous generators driven by reciprocating internal combustion engines 往复式内燃机驱动的三相同步发电机通用技术条件 |
China National Standards pro |
English PDF |
| GB/T 43261-2023 |
product acceptance plan combining zero acceptance sampling system with process control procedures 零接收数抽样系统与过程控制程序相结合的产品验收方案 |
China National Standards pro |
English PDF |
| GB/T 40681.2-2023 |
Statistical methods for monitoring production process capability and performance Part 2: Process capability and performance for time-dependent process models 生产过程能力和性能监测统计方法 第2部分：时间相依过程模型的过程能力与性能 |
China National Standards pro |
English PDF |
| GB/T 22553-2023 |
Guidelines for assessing measurement uncertainty using estimates of repeatability, reproducibility and correctness 利用重复性、再现性和正确度的估计值评定测量不确定度的指南 |
China National Standards pro |
English PDF |
| GB/T 43297-2023 |
Plastics—Methods for evaluating photoaging properties of polymers—Fourier transform infrared spectroscopy and UV/visible spectroscopy 塑料 聚合物光老化性能评估方法 傅里叶红外光谱和紫外/可见光谱法 |
China National Standards pro |
English PDF |
| GB/T 42918.2-2023 |
Plastics - Thermoplastic polyurethanes for molding and extrusion - Part 2: Specimen preparation and property determination 塑料 模塑和挤出用热塑性聚氨酯 第2部分：试样制备和性能测定 |
China National Standards pro |
English PDF |
| GB/T 21461.2-2023 |
Plastics Ultra-high molecular weight polyethylene (PE-UHMW) molding and extrusion materials Part 2: Specimen preparation and property determination 塑料 超高分子量聚乙烯（PE-UHMW）模塑和挤出材料 第2部分：试样制备和性能测定 |
China National Standards pro |
English PDF |
| GB 31604.47-2023 |
National food safety standards Food contact materials and products Determination of fluorescent substances in paper, cardboard and paper products 食品安全国家标准 食品接触材料及制品 纸、纸板及纸制品中荧光性物质的测定 |
China National Standards pro |
English PDF |
| GB 31610.5-2023 |
National food safety standards Inspection of Paragonimus in animal aquatic products and their products 食品安全国家标准 动物性水产品及其制品中并殖吸虫的检验 |
China National Standards pro |
English PDF |
| GB 31610.4-2023 |
National food safety standards - Inspection of animal aquatic products and their products for Clonorchis sinensis 食品安全国家标准 动物性水产品及其制品中华支睾吸虫的检验 |
China National Standards pro |
English PDF |
| GB 31610.3-2023 |
National food safety standards: Inspection of Angiostrongylus cantonensis in animal aquatic products and their products 食品安全国家标准 动物性水产品及其制品中广州管圆线虫的检验 |
China National Standards pro |
English PDF |
| GB 31604.55-2023 |
National Food Safety Standards Food Contact Materials and products Determination of Migration Amount of Isothiazolinone Compounds 食品安全国家标准 食品接触材料及制品 异噻唑啉酮类化合物迁移量的测定 |
China National Standards pro |
English PDF |
| GB 31604.56-2023 |
National Food Safety Standards Food Contact Materials and products Determination of Migration Amount of Laurolactam 食品安全国家标准 食品接触材料及制品 月桂内酰胺迁移量的测定 |
China National Standards pro |
English PDF |
| GB 31604.57-2023 |
National Food Safety Standards Food Contact Materials and products Determination of Migration Amount of Benzophenones 食品安全国家标准 食品接触材料及制品 二苯甲酮类物质迁移量的测定 |
China National Standards pro |
English PDF |
| GB 31604.49-2023 |
National Food Safety Standards Food Contact Materials and products Determination of Multi-Elements and Determination of Multi-Element Migration Amounts 食品安全国家标准 食品接触材料及制品 多元素的测定和多元素迁移量的测定 |
China National Standards pro |
English PDF |
| GB 31604.29-2023 |
National food safety standards Food contact materials and products Determination of migration of acrylic acid, methacrylic acid and their esters 食品安全国家标准 食品接触材料及制品 丙烯酸和甲基丙烯酸及其酯类迁移量的测定 |
China National Standards pro |
English PDF |
| GB 31604.58-2023 |
National Food Safety Standards Food Contact Materials and products Determination of Migration Amounts of 9 Antioxidants 食品安全国家标准 食品接触材料及制品 9种抗氧化剂迁移量的测定 |
China National Standards pro |
English PDF |
| GB 31604.59-2023 |
National Food Safety Standards Food Contact Materials and products General Principles for Validation of Chemical Analysis Methods 食品安全国家标准 食品接触材料及制品 化学分析方法验证通则 |
China National Standards pro |
English PDF |
| GB 31604.1-2023 |
National Food Safety Standards General Principles for Migration Testing of Food Contact Materials and products 食品安全国家标准 食品接触材料及制品迁移试验通则 |
China National Standards pro |
English PDF |
| GB 31612-2023 |
National Food Safety Standards Hygienic Specifications for the production of Strain Preparations for Food Processing 食品安全国家标准 食品加工用菌种制剂生产卫生规范 |
China National Standards pro |
English PDF |
| GB 12693-2023 |
National Food Safety Standards Good Manufacturing Practice for Dairy products 食品安全国家标准 乳制品良好生产规范 |
China National Standards pro |
English PDF |
| GB 31610.6-2023 |
National food safety standards - Inspection of Sparganoma mansoni tapeworm in animal aquatic products and their products 食品安全国家标准 动物性水产品及其制品中曼氏迭宫绦虫裂头蚴的检验 |
China National Standards pro |
English PDF |
| GB 31610.2-2023 |
National food safety standards Inspection of Anisakis in animal aquatic products and their products 食品安全国家标准 动物性水产品及其制品中异尖线虫的检验 |
China National Standards pro |
English PDF |
| GB 31610.1-2023 |
National Food Safety Standards Inspection of Gnatostome nematodes in animal aquatic products and their products 食品安全国家标准 动物性水产品及其制品中颚口线虫的检验 |
China National Standards pro |
English PDF |
| GB 31604.54-2023 |
National Food Safety Standard Food Contact Materials and products Determination of Migration Amount of Bisphenol F and Bisphenol S 食品安全国家标准 食品接触材料及制品 双酚F和双酚S迁移量的测定 |
China National Standards pro |
English PDF |
| GB 19303-2023 |
National Food Safety Standards Hygienic Specifications for the production of Cooked Meat Products 食品安全国家标准 熟肉制品生产卫生规范 |
China National Standards pro |
English PDF |
| GB 4806.9-2023 |
National Food Safety Standards Metal Materials and products for Food Contact 食品安全国家标准 食品接触用金属材料及制品 |
China National Standards pro |
English PDF |
| GB 4806.7-2023 |
National Food Safety Standards Plastic Materials and products for Food Contact 食品安全国家标准 食品接触用塑料材料及制品 |
China National Standards pro |
English PDF |
| GB 31604.46-2023 |
National Food Safety Standards Determination of Free Phenols and Determination of Migration Amount in Food Contact Materials and products 食品安全国家标准 食品接触材料及制品游离酚的测定和迁移量的测定 |
China National Standards pro |
English PDF |
| GB 31604.7-2023 |
National food safety standards Food contact materials and products Decolorization test 食品安全国家标准 食品接触材料及制品 脱色试验 |
China National Standards pro |
English PDF |
| GB 4806.13-2023 |
National food safety standards Composite materials and products for food contact 食品安全国家标准 食品接触用复合材料及制品 |
China National Standards pro |
English PDF |
| GB 4806.14-2023 |
National food safety standards Inks for food contact materials and products 食品安全国家标准 食品接触材料及制品用油墨 |
China National Standards pro |
English PDF |
| GB 4806.11-2023 |
National food safety standards Rubber materials and products for food contact 食品安全国家标准 食品接触用橡胶材料及制品 |
China National Standards pro |
English PDF |
| GB 1886.368-2023 |
National Food Safety Standard Food Additive (2S,5R)-N-[4-(2-Amino-2-oxoethyl)phenyl]-5-methyl-2-(propyl-2-)cyclohexane formamide 食品安全国家标准 食品添加剂 (2S,5R)-N-[4-(2-氨基-2-氧代乙基)苯基]-5-甲基-2-(丙基-2-)环己烷甲酰胺 |
China National Standards pro |
English PDF |
| GB 31611-2023 |
National Food Safety Standard Plant protein Peptides for Food Processing 食品安全国家标准 食品加工用植物蛋白肽 |
China National Standards pro |
English PDF |
| GB 31639-2023 |
National food safety standards: bacterial culture preparations for food processing 食品安全国家标准 食品加工用菌种制剂 |
China National Standards pro |
English PDF |
| GB 4806.8-2022 |
National Food Safety Standards Food Contact Paper and Paperboard Materials and products 食品安全国家标准 食品接触用纸和纸板材料及制品 |
China National Standards pro |
English PDF |
| GB 31604.53-2022 |
National Food Safety Standard Food Contact Materials and products Determination of Migration Amount of 5-Ethylidene-2-Norbornene 食品安全国家标准 食品接触材料及制品 5-亚乙基-2-降冰片烯迁移量的测定 |
China National Standards pro |
English PDF |
| GB 4806.12-2022 |
National food safety standards Bamboo and wood materials and products for food contact 食品安全国家标准 食品接触用竹木材料及制品 |
China National Standards pro |
English PDF |
| GB 13102-2022 |
National Food Safety Standards Concentrated Dairy products 食品安全国家标准 浓缩乳制品 |
China National Standards pro |
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| GB 5413.20-2022 |
National Food Safety Standard Determination of Choline in Infant and Young Children’s Foods and Dairy products 食品安全国家标准 婴幼儿食品和乳品中胆碱的测定 |
China National Standards pro |
English PDF |
| GB 1886.356-2022 |
National Food Safety Standard Food Additive Calcium propionate 食品安全国家标准 食品添加剂 丙酸钙 |
China National Standards pro |
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| GB 25192-2022 |
National food safety standards processed cheese and cheese products 食品安全国家标准 再制干酪和干酪制品 |
China National Standards pro |
English PDF |
| GB 31652-2021 |
National Food Safety Standards Hygienic Specifications for the production of Ready-to-Eat Fresh-Cut Fruits and Vegetables 食品安全国家标准 即食鲜切果蔬生产卫生规范 |
China National Standards pro |
English PDF |
| GB 31604.8-2021 |
National Food Safety Standards Food Contact Materials and products Determination of Total Migration 食品安全国家标准 食品接触材料及制品 总迁移量的测定 |
China National Standards pro |
English PDF |
| GB 31604.52-2021 |
National food safety standards Food contact materials and products Determination of migration amount of aromatic primary amines 食品安全国家标准 食品接触材料及制品 芳香族伯胺迁移量的测定 |
China National Standards pro |
English PDF |
| GB 31604.51-2021 |
National Food Safety Standards Food Contact Materials and products Determination of Migration Amount of 1,4-Butanediol 食品安全国家标准 食品接触材料及制品 1,4-丁二醇迁移量的测定 |
China National Standards pro |
English PDF |
| GB 1886.354-2021 |
National Food Safety Standard Food Additive 3-[(4-Amino-2,2-dioxo-1H-2,1,3-benzothiadiazin-5-yl)oxy]-2,2-dimethyl- N-propylpropionamide 食品安全国家标准 食品添加剂 3-[(4-氨基-2,2-二氧-1H-2,1,3-苯并噻二嗪-5-基)氧]-2,2-二甲基-N-丙基丙酰胺 |
China National Standards pro |
English PDF |
| GB 31604.50-2020 |
National Food Safety Standards Food Contact Materials and products Determination of Migration Amount of Nonylphenol 食品安全国家标准 食品接触材料及制品 壬基酚迁移量的测定 |
China National Standards pro |
English PDF |
| GB 15193.29-2020 |
National Food Safety Standards Extended Generation Reproductive Toxicity Test 食品安全国家标准 扩展一代生殖毒性试验 |
China National Standards pro |
English PDF |
| GB 31660.7-2019 |
National food safety standards Determination of cyproheptadine and clonidine residues in pig tissues and urine Liquid chromatography-tandem mass spectrometry 食品安全国家标准 猪组织和尿液中赛庚啶及可乐定残留量的测定 液相色谱-串联质谱法 |
China National Standards pro |
English PDF |
| GB 31660.4-2019 |
National food safety standards Determination of megestrol acetate and medroxyprogesterone acetate residues in animal foods Liquid chromatography-tandem mass spectrometry 食品安全国家标准 动物性食品中醋酸甲地孕酮和醋酸甲羟孕酮残留量的测定 液相色谱-串联质谱法 |
China National Standards pro |
English PDF |
| GB 31660.3-2019 |
National Food Safety Standard Determination of Trifluralin Residues in Aquatic products Gas Chromatography 食品安全国家标准 水产品中氟乐灵残留量的测定 气相色谱法 |
China National Standards pro |
English PDF |
| GB 31660.2-2019 |
National Food Safety Standard Determination of octylphenol, nonylphenol, bisphenol A, diethylstilbestrol, estrone, 17α-ethinyl estradiol, 17β-estradiol and estriol residues in aquatic products by gas chromatography - mass spectrometry 食品安全国家标准 水产品中辛基酚、壬基酚、双酚A、已烯雌酚、雌酮、17α-乙炔雌二醇、17β-雌二醇、雌三醇残留量的测定 气相色谱-质谱法 |
China National Standards pro |
English PDF |
| GB 31660.1-2019 |
National food safety standards Determination of macrolide drug residues in aquatic products Liquid chromatography-tandem mass spectrometry 食品安全国家标准 水产品中大环内酯类药物残留量的测定 液相色谱-串联质谱法 |
China National Standards pro |
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| GB 43284-2023 |
Requirements for restricting excessive packaging of commodities Fresh edible agricultural products 限制商品过度包装要求 生鲜食用农产品 |
China National Standards pro |
English PDF |
| GB 43068-2023 |
Safety technical requirements for protective devices for sports cars used in coal mines 煤矿用跑车防护装置安全技术要求 |
China National Standards pro |
English PDF |
| GB 43066-2023 |
Safety technical requirements for passive explosion-proof facilities in coal mines 煤矿用被动式隔爆设施安全技术要求 |
China National Standards pro |
English PDF |
| GB 29753-2023 |
Road transportation Perishable food and biological products Safety requirements and test methods for refrigerated trucks 道路运输 易腐食品与生物制品 冷藏车安全要求及试验方法 |
China National Standards pro |
English PDF |
| GB 25287-2023 |
Perimeter protection high-voltage power grid device 周界防范高压电网装置 |
China National Standards pro |
English PDF |
| GB 21347-2023 |
Energy consumption limit per unit product for industrial silicon and magnesium 工业硅和镁单位产品能源消耗限额 |
China National Standards pro |
English PDF |
| GB 18279-2023 |
Sterilization of healthcare products Ethylene oxide Requirements for the development, validation and routine control of medical device sterilization processes 医疗保健产品灭菌 环氧乙烷 医疗器械灭菌过程的开发、确认和常规控制要求 |
China National Standards pro |
English PDF |
| GB/Z 42993-2023 |
Industrial Assistance Flower Industry project Operation and Management Guide 产业帮扶 花卉产业项目运营管理指南 |
China National Standards pro |
English PDF |
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