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Standard
UNE 21816:1989

UNE 21816:1989

MATERIAL ELECTRICO PARA ATMOSFERAS POTENCIALMENTE EXPLOSIVAS. SOBREPRESION INTERNA "P"

ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES. PRESURIZED APPARATUS "P".

Publication Date:
1989-05-22 /Anulada
Cancellation date:
1996-09-24
Cancellations:

It is cancelled by: UNE-EN 50016:1996