标准编号:ISO 8678:1988
中文名称:带小头和短颈的圆头方颈螺栓
英文名称:Cup head square neck bolts with small head and short neck — Product grade B
发布日期:1988-06
标准预览图

标准编号:ISO 8678:1988
中文名称:带小头和短颈的圆头方颈螺栓
英文名称:Cup head square neck bolts with small head and short neck — Product grade B
发布日期:1988-06
