hase comparators
rotection against electric shocks;Quality assurance;Specification (approval);Testing【摘要】: This standard is about Live working - Portable phase comparators for use on voltages from 1 kV to 36 kV a.c.; Amendment 2【中国标准分类号】: F21【国际标准分类号】: 13_260【页数】: 4P.;A4【正文语种】: 英语 | 欢迎光临 世界资料网论坛 (http://bbs.infoeach.com/) | Powered by Discuz! X2.5 |