GB/T 15468-2020 水轮机基本技术条件
GB/T 15468-2020.Fundamental technical requirements for hydraulic turbines.1范围GB/...
国家标准2023.07.30
GB/T 15468-2020.Fundamental technical requirements for hydraulic turbines.1范围GB/...
国家标准2023.07.30
GB/T 14598.301-2020.Technical requirements for power system continuous recorder....
国家标准2023.07.30
GB/T 38896-2020.Non-destructive testing-Integrated non-destructive testing-Gener...
国家标准2023.07.30
GB/T 38895-2020.Non-destructive testing-Guidelines for electromagnetic acoustic...
国家标准2023.07.30
GB/T 38966-2020.Assessment requirements for water stewardship.1范围GB/T 38966规定了组织...
国家标准2023.07.30
GB/T 38907-2020.Water saving enterprises-Polysilicon industry.1范围GB/T 38907规定了多晶...
国家标准2023.07.30
GB/T 38885-2020.General specification for ultra-high cleanliness of high carbon...
国家标准2023.07.30
GB/T 38886-2020.High temperature bearing steel.1范围GB/T 38886规定了高温轴承钢的订货内容、尺寸、外形、...
国家标准2023.07.30
GB/T 38884-2020.High temperature stainless steels for bearing.1范围GB/T 38884规定了高温...
国家标准2023.07.30
GB/T 38936-2020.High temperature carburizing steel for bearing.1范围GB/T 38936规定了高...
国家标准2023.07.30