초중량 강제 전선관
电气安装用超重荷型刚性钢导管

2014-09-26

电气安装用超重荷型刚性钢导管
Extra-heavy duty rigid steel conduits for electrical installations

1997-12-26

초중량 전기적 강제 전선관
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2023-03-17

Extra heavy-duty electrical rigid steel conduits
超重型重型钢电导体

2019-08-20

Extra heavy-duty electrical rigid steel conduits
超重型电气刚性钢导管

2019-08-20

电缆管理系统 超重荷型刚性电气导管电缆装置用导管配件和附件的规范
Cable management systems—Specifications for conduit fittings and accessories for cable installations for extra heavy duty electrical steel conduit

2019-12-10

IEC 61950. Cable management systems. Specifications for conduit fittings and accessories for cable installations for extra heavy duty electrical steel conduit
IEC 61950 电缆管理系统 超重型电气钢导管电缆装置用导管配件和附件规范

2006-02-20

Cable management systems - Specifications for extra-heavy-duty electrical steel conduit fittings and accessories
电缆管理系统.超重型电气钢导管配件和附件规范

2019-09-16

Draft Document - Cable management systems - Specifications for conduit fittings and accessories for cable installations for extra heavy duty electrical steel conduit (IEC 23A/844/CD:2017); Text in German and English
文件草案——电缆管理系统——超重型电气钢导管电缆安装用导管配件和附件规范（IEC 23A/844/CD:2017）；德语和英语文本

2018-05-01