Home / Standards / GB/T 45856-2025 GB/T 45856-2025 Active Vacuum technology—Vacuum gauges—Specifications, calibration and measurement uncertainties for Pirani gauges 真空技术 真空计 皮拉尼真空计的规范、校准和测量不确定度 Standard Type GBT ICS 23.160 CCS J78 Status 现行 Issue Date 2025-08-01 Implementation 2025-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A