HD 381:1978现行
Methods Of Test For The Determination Of Ionic Impurities In Electrical Insulating Materials By Extraction With Liquids
出版：Harmonization Documents
专家解读视频
S1 [07/12/1978]
UNE 21370:1985 - Similar
NFC 26 280:1978 - Identical
IEC 60589 Ed. 1.0 - Identical
VDE 0303-33:1991 - Identical
NEN 10589:1978 - Identical
DIN VDE 0303-33 (1991-04) - Identical
CEI 15-16 Ed. 1 (1997) - Identical
DIN VDE 0303-33:1991 - Identical
