IEC 60309-2:2021 PLUGS,FIXED OR PORTABLE SOCKET-OUTLETS ANDAPPLIANCE INLETS FOR INDUSTRIAL PURPOSES-Part 2: Dimensional compatibility requirements for pin and contact-tube accessories IEC 60309-2:2021 PLUGS,FIXED OR PORTABLE SOCKET-OUTLETS ANDAPPLIANCE INLETS FOR INDUSTRIAL PURPOSES-... 04月02日其它国外标准IEC 60309-2 阅读全文
