GB/T 3228-2022螺栓螺母用装配工具冲击式机动四方传动套筒的尺寸国家标准
英文:Assembly tools for screws and nuts—Dimensions of machine-operated “impact” square drive sockets GB/T 3228-2022介绍: 国家标...
英文:Assembly tools for screws and nuts—Dimensions of machine-operated “impact” square drive sockets GB/T 3228-2022介绍: 国家标...