IEC 60239:1987 ed2.0

Заменен

Nominal dimensions of cylindrical machined graphite electrodes with threaded sockets and connecting pins for use in electric arc furnaces. — 19 стр.

Applies to turned and threaded cylindrical electrodes and to graphite nipples for arc furnaces.

Заменен на

IEC 60239:1997 ed3.0

ICS

25.180.10 Electric furnaces / Электрические печи