
Alternating-current Static Watt-hour Meters For Active Energy (classes 0.2 S And 0.5 S)
出版:Verband Deutscher Elektrotechniker

专家解读视频
94 [01/02/1994]DRAFT 91 [01/09/1991]
IEC 60687 Ed. 2.0 - Identical
DIN EN 60687 (1994-02) - Identical
DIN EN 60687 : 1994 - Corresponds
DIN EN 60687 : 1994 - Identical