
Electromechanical All-Or-Nothing Relays - Part 53: Blank Detail Specification - Electromechanical All-Or-Nothing Telecom Relays Of Assessed Quality - Two Change-Over Contacts, 14 Mm X 9 Mm Base
出版:Osterreichisches Normungsinstitut

专家解读视频
Electromechanical All-Or-Nothing Relays - Part 53: Blank Detail Specification - Electromechanical All-Or-Nothing Telecom Relays Of Assessed Quality - Two Change-Over Contacts, 14 Mm X 9 Mm Base
出版:Osterreichisches Normungsinstitut
专家解读视频