GB/T 38899-2020.Implementation guidance for energy management system in chemical...

国家标准2023.07.30

GB/T 38832-2020.Technical requirements of broadband customer networking based on...

国家标准2023.07.30

GB/T 38833-2020.240 V/336 V DC power system technical requirements and test meth...

国家标准2023.07.30

GB/T 38919-2020.General technical requirements for porous media burners.1范围GB/T...

国家标准2023.07.30

GB/T 38904-2020.Methods for elemental analysis of ceramic liquid pigments.1范围GB/...

国家标准2023.07.30

GB/T 38849-2020.Green mall.1范围GB/T 38849规定了绿色商场的术语和定义、基本要求、设施设备要求与管理、绿色供应链建设、实施绿...

国家标准2023.07.30

GB/T 15343-2020.Methods for chemical analysis of talc.1范围GB/T 15343规定了滑石产品烧失量、二氧...

国家标准2023.07.30

GB/T 38756-2020.Safety and control devices for gas burners and gas-burning appli...

国家标准2023.07.30

GB/T 8763-2020.Test methods for gas absorption characteristic of non-evaporation...

国家标准2023.07.30

GB/T 38906-2020.Low impact development stormwater management and harvest-Facilit...

国家标准2023.07.30