GB/T 20674.2-2020 塑料管材和管件 聚乙烯系统熔接设备第2部分:电熔连接
GB/T 20674.2-2020.Plastics pipes and fittings- Equipment for fusion jointing pol...
国家标准2023.08.05
GB/T 20674.2-2020.Plastics pipes and fittings- Equipment for fusion jointing pol...
国家标准2023.08.05
GB/T 20996.2-2020.Performance of high-voltage direct current (HVDC) systems with...
国家标准2023.08.05
GB/T 28450-2020.Information technology-Security techniques-Guidelines for inform...
国家标准2023.08.05
GB/T 39925-2021.Stationary equipment for agriculture-Data communications network...
国家标准2023.08.05
GB/T 5862-2020.Agricultural tractors and machinery-General purpose quick-action...
国家标准2023.08.05
GB/T 20674.1-2020.Plastics pipes and fittings-Equipment for fusion jointing poly...
国家标准2023.08.05
GB/T 39945-2021.Method of heat penetration test for canned food.1范围GB/T 39945规定了...
国家标准2023.08.05
GB/T 18252-2020.Plastics piping and ducting systems-Determination of the long-te...
国家标准2023.08.05
GB/T 12585-2020.Rubber , vulcanized or thermoplastic-Rubber sheets and rubber-co...
国家标准2023.08.05
GB/T 20720.2-2020.Enterprise-control system integration-Part 2: Objects and attr...
国家标准2023.08.05