HD 214:1980被替代
Recommended Method For Determining The Comparative Tracking Index Of Solid Insulating Materials Under Moist Conditions
出版：Harmonization Documents
专家解读视频
S2 [21/01/1980]
SS IEC 112 Ed. 1 (1982) - Identical
UNE 21031-4:1992 - Similar
UNE 21304:1983 - Similar
NFC 26 220:1980 - Identical
IEC 60112 Ed. 4.0 - Identical
VDE 0250-204:2000 - Identical
DIN VDE 0303-1 (1984-06) - Identical
CEI 20-20/4 Ed. 4 (1996) - Identical
