
Methods Of Measurement Of Touch Current And Protective Conductor Current (Iec 60990:2016)
出版:Verband Deutscher Elektrotechniker

專家解讀視頻
2017 [01/03/2017]2000 [01/10/2000]DRAFT 90 AMD1 99 [01/09/1999]DRAFT 90 [01/12/1990]
EN 60990:2016 - Identical
DIN EN 60990 : 2017 - Corresponds
IEC 60990 : 3.0 - Identical
EN 60990 : 2016 - Identical
DIN EN 60990 : 2017 - Corresponds