Home / Standards / GB/T 41857-2022 GB/T 41857-2022 Active Sheet metal parts fabricated by fine blanking combined with extrusion process—General specification 金属板料精冲挤压复合成形件 通用技术条件 Standard Type GBT ICS 25.020 CCS J32 Status 现行 Issue Date 2022-10-12 Implementation 2022-10-12 Responsible Dept 国家标准委 Drafting Unit N/A