IEC 60468:1974 EN-FR a3da50fb
Method of measurement of resistivity of metallic materials
现行
发布日期 :
1974-01-01
实施日期 :
IEC 60826:2003 EN-FR ff459906
Design criteria of overhead transmission lines
REVISED
发布日期 :
2003-10-10
实施日期 :
IEC 60826:2003 FR_D 394c2148
Design criteria of overhead transmission lines
REVISED
发布日期 :
2003-10-10
实施日期 :