DIN VDE 0303-1 : 1984被替代
METHOD FOR DETERMINING THE COMPARATIVE AND THE PROOF TRACKING INDICES OF SOLID INSULATING MATERIALS UNDER MOIST CONDITIONS
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
DIN IEC 60112 : 1984 - Corresponds
IEC 60112 : 4.1 - Corresponds
VDE 0303-1 : 1984 - Identical
HD 214 : 200S2 - Identical
HD 214 : 200S2 - Identical
VDE 0303-1 : 1984 - Identical
DIN IEC 60112 : 1984 - Corresponds
