Home / Standards / GB/T 9058 GB/T 9058 Active Odd fluted micrometer 奇数沟千分尺 Standard Type GBT ICS 17.040.30 CCS J 42 Status 现行 Issue Date 2024-04-25 Implementation 2024-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会