Home / Standards / GB/T 12363-2021 GB/T 12363-2021 Active Classification of forging functions 锻件功能分类 Standard Type GBT ICS 77.140.85 CCS J32 Status 现行 Issue Date 2021-05-21 Implementation 2021-12-01 Responsible Dept 国家标准委 Drafting Unit N/A