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Standard
UNE 21720:1989

UNE 21720:1989

DISPOSITIVOS DE PUESTA EN CORTOCIRCUITO Y A TIERRA PARA BAJA TENSION

LOW VOLTAGE GROUNDING AND SHORT CIRCUIT DEVICES.

Publication Date:
1989-10-24 /Anulada
Cancellation date:
2003-01-30
Cancellations:

It is cancelled by: UNE-EN 61230:1996

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