标准编号:BS 811-1950
标准名称:自行车(B.S.C.)螺纹规范(原称C.E.I.螺纹)
英文名称:Specification for cycle (B.S.C.) threads (formerly known as C. E.I. threads)
发布部门:
发布日期:1950-05-24
实施日期:1950-05-24
标准状态:现行
文件格式:PDF