NEN 10589:1978現行
Methods Of Test For The Determination Of Ionic Impurities In Electrical Insulating Materials By Extraction With Liquids
出版：Nederlands Normalisatie Instituut
專家解讀視頻
Determines whether or not ionizable soluble organic and/or inorganic materials are present in electrical insulating materials.
IEC 60589 Ed. 1.0 - Identical
IEC 60589 : 1.0 - Identical
HD 381 : 200S1 - Identical
IEC 60589 : 1.0 - Identical
HD 381 : 200S1 - Identical
HD 381:1978 - Identical
