GB/T 19228.3-2012 不锈钢卡压式管件组件第3部分:O形橡胶密封圈
GB/T 19228.3-2012.Stainless steel press-fitting assemblies-Part 3: R ubber O-rin...
国家标准2023.08.03
GB/T 19228.3-2012.Stainless steel press-fitting assemblies-Part 3: R ubber O-rin...
国家标准2023.08.03
GB/T 19673.2-2013.Rolling bearings-Accessories for sleeve type linear ball beari...
国家标准2023.08.03
GB/T 40041-2021.Specifications for information description of food delivery.1范围G...
国家标准2023.08.03
GB/T 40040-2021.Guidelines for catering industry supply chain management.1范围GB/T...
国家标准2023.08.03
GB/T 35132.5-2020.Automation systems and integration- Evaluating energy efficien...
国家标准2023.08.03
GB/T 29428.2-2014.Operation for earthquake search and rescue team-Part 2 : Proce...
国家标准2023.08.03
GB/T 19673.1-2013.Rolling bearings-Accessories for sleeve type linear ball beari...
国家标准2023.08.03
GB/T 4604.2-2013.Rolling bearings-Internal clearance-Part 2: Axial internal clea...
国家标准2023.08.03
GB/T 28799.1-2020.Polyethylene of raised temperature resistance(PE RT) piping sy...
国家标准2023.08.03
GB/T 51381-2019.Design standard of VSC-HVDC converter station.1总则1.0.1 为规范 柔性直流输...
国家标准2023.08.03