Повучен
Applies to insulators normally energized by direct voltage with a ripple of less than 5% of the mean voltage. Has the status of a technical report.
ПОВУЧЕН
IEC TR 60438:1973 ED1
95.99
Повучен
20. 6. 2003.
Ispitivanja i dimenzije visokonaponskih izolatora za jednosmernu struju visokog napona (identičan sa IEC 438:1973)
95.99 Повучен