GB/T 39148-2020.Recycled bismuth material.1范围GB/T 39148规定了回收铋原料的分类、技术要求、试验方法、检验规...

国家标准2023.07.31

GB/T 39146-2020.Refractory materials-Test method of corrosion resistance to molt...

国家标准2023.07.31

GB/T 10573-2020.Tensile testing method for fine wire of nonferrous metals.1范围GB/...

国家标准2023.07.31

GB/T 39152-2020.Test method of the bending stress relaxation for copper and copp...

国家标准2023.07.31

GB/T 39134-2020.Industrial robot numerical control system of machine tool-Progra...

国家标准2023.07.31

GB/T 39131-2020.Terms and definitions of synthetic crystal materials.1范围GB/T 391...

国家标准2023.07.31

GB/T 39189-2020.Smart home for internet of things-User interface description met...

国家标准2023.07.31

GB/T 12232-2005.General purpose industrial valves-Flanged iron gate valves.1范围GB...

国家标准2023.07.31

GB/T 39190-2020.Smart home for internet of things-Design content and requirement...

国家标准2023.07.31

GB/T 39207-2020.Code of practice for installation and commissioning of anchor ha...

国家标准2023.07.31