Specification for steel conduit and fittings with metric threads of ISO form for electrical installations-Steel conduit, bends and couplers
电气装置用ISO米制螺纹钢导管和配件规范 钢导管、弯管和耦合器
发布日期:
1970-02-27
公制尺寸的普通和螺纹导管、弯管和耦合器的分类、尺寸和试验。交叉引用:BS 31BS 580
Classification, dimensions and tests for plain and threaded conduit, bends and couplers in metric sizes.Cross References:BS 31BS 580