
Second supplement: Clause 26
出版:International Electrotechnical Committee

专家解读视频
Methods for measuring the dew-point and for the determination of condensable impurities in new sulphur hexafluoride.
NFC 27 601:1978 - Identical
VDE 0373-1:2006 - Identical
NEN 10376:1982 - Identical
DIN VDE 0373-1 (1980-04) - Identical
DIN IEC 60376 (1980-04) - Identical
CEI 10-7 Ed. 1 (1997) - Identical