Revidiran
Applies to turned and threaded cylindrical electrodes and to graphite nipples for arc furnaces.
POVUČEN
IEC 60239:1967 ED1
POVUČEN
IEC 60239:1987 ED2
99.60
Povlačenje stupilo na snagu
28. 4. 1997.
POVUČEN
IEC 60239:1997 ED3