GB/T 25216-2024 Chinese PDF (GB/T25216-2024) GB/T 42143-2022 1-dichloroethane (Chinese: 食品安全国家标准 食品接触材料及制品 氯乙烯、1

1-dichloroethane (Chinese: 食品安全国家标准 食品接触材料及制品 氯乙烯、1

GB/T 45514-2025_Chinese: Textiles - Quantitative chemical analysis - Mixtures of polyarylate with certain other fibers (Chinese: 纺织品　定量化学分析 聚芳酯纤维与某些其他纤维的混合物)

1-2025_Chinese: Particle - Separation performance test for particle size separator - Part 1: General principles (Chinese: 颗粒 粒度切割器切割性能测试 第1部分：通则)

57-2024_Chinese: Safety of household and similar electrical appliances - Part 57: Particular requirements for floor treatment machines and wet scrubbing machines (Chinese: 家用和类似用途电器的安全 第57部分：地板处理机和湿式擦洗机的特殊要求)

1编码规则 第1部分:基本编码规则（BER）、正则编码规则（CER）和非典型编码规则（DER）规范)

GB/T 25216-2024 Chinese PDF (GB/T25216-2024) GB/T 42143-2022 1-dichloroethane (Chinese: 食品安全国家标准 食品接触材料及制品 氯乙烯、1GB T 25216 2024_Chinese: Regional prediction methods for the danger of coal and gas outburst (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 25216 2024