Home / Standards / GB/T 40333-2021 GB/T 40333-2021 Active Vacuum gauges—Definitions and specifications for quadrupole mass spectrometers 真空计 四极质谱仪的定义与规范 Standard Type GBT ICS 23.160 CCS J78 Status 现行 Issue Date 2021-05-21 Implementation 2021-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A