Home / Standards / GB/T 15055-2021 GB/T 15055-2021 Active Permissible stamping variations in dimensions without tolerance indication 冲压件未注公差尺寸极限偏差 Standard Type GBT ICS 25.020 CCS J32 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委