GB/T 41157.1-2022核电厂用紧固件第1部分:合金钢螺栓、螺钉和螺柱国家标准
英文:Fasteners for nuclear power plants—Part 1:Bolts, screws and studs made of alloy steel GB/T 41157.1-2022介绍: 国家标准《核电厂用紧...
英文:Fasteners for nuclear power plants—Part 1:Bolts, screws and studs made of alloy steel GB/T 41157.1-2022介绍: 国家标准《核电厂用紧...