Home / Standards / GB/T 37050-2019 GB/T 37050-2019 Active Fastening screw thread gaging systems for acceptability 紧固螺纹检测体系 Standard Type GBT ICS 21.040.01 CCS J04 Status 现行 Issue Date 2019-03-25 Implementation 2019-03-29 Responsible Dept 国家标准委 Drafting Unit N/A