Home / Standards / GB/T 39547-2020 GB/T 39547-2020 Active Design and metrological characteristics of mechanical dial gauges 机械指示表的设计和计量特性 Standard Type GBT ICS 17.040.30 CCS J42 Status 现行 Issue Date 2020-12-14 Implementation 2021-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A