GB/T 40344.1-2021真空技术真空泵性能测量标准方法第1部分:总体要求标准
英文:Vacuum technology—Standard methods for measuring vacuum-pump performance—Part 1:General description GB/T 40344.1-2021...
英文:Vacuum technology—Standard methods for measuring vacuum-pump performance—Part 1:General description GB/T 40344.1-2021...