GB/T 41157.4-2022核电厂用紧固件第4部分:不锈钢螺母标准
英文:Fasteners for nuclear power plants—Part 4:Nuts made of corrosion-resistant stainless steel GB/T 41157.4-2022介绍: 国家标准《...
英文:Fasteners for nuclear power plants—Part 4:Nuts made of corrosion-resistant stainless steel GB/T 41157.4-2022介绍: 国家标准《...