Home / Standards / GB/T 40019-2021 GB/T 40019-2021 Active General metadata for fundamental manufacturing process 基础制造工艺通用元数据 Standard Type GBT ICS 35.240.50 CCS J07 Status 现行 Issue Date 2021-04-30 Implementation 2021-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A