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Standard
UNE 21309:1989

UNE 21309:1989

METODO PARA LA DETERMINACION DE LA TENSION DE PERFORACION ELECTRICA DE LOS ACEITES AISLANTES

METHOD FOR THE DETERMINATION OF THE ELECTRIC BREAKDOWD OF INSULATION OILS.

Publication Date:
1989-02-07 /Anulada
Cancellation date:
1997-02-04
International equivalences:

IEC 156:1973+296:1982 (Non-equivalent)

Cancellations:

It is cancelled by: UNE-EN 60156:1997

Cancel: UNE 21309:1970

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