
Specifications For Small Transformers - Part 3: Particular Requirements For Isolating And Control Transformers As Well As For Mains-supply And Insulating Transformers Above 1000 V
出版:Verband Deutscher Elektrotechniker

专家解读视频
1969 [01/12/1969]
DIN VDE 0550-3 : 1969 - Identical
DIN VDE 0550-3 : 1969 - Identical
DIN VDE 0550-3:1969 - Identical
DIN VDE 0550-3 (1969-12) - Identical