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Standard
UNE 20321:1971

UNE 20321:1971

Material eléctrico para atmósferas explosivas con protección por rellenado con aislante pulverulento.

ELECTRIC MATERIAL FOR EXPLOSIVE ATMOSPHERES WITH PROTECTION BY DUSTY INSULANT FILLING.

Publication Date:
1971-03-15 /Anulada
Cancellation date:
2010-03-31
International equivalences:

IEC 60079-5:1967 (Identical)

Cancellations:

It is cancelled by: UNE-EN 60079-5:2008