Home / Standards / GB/T 41157.4-2022 GB/T 41157.4-2022 Active Fasteners for nuclear power plants—Part 4:Nuts made of corrosion-resistant stainless steel 核电厂用紧固件 第4部分:不锈钢螺母 Standard Type GBT ICS 21.060.20 CCS J13 Status 现行 Issue Date 2022-03-09 Implementation 2022-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A