UNE 21311:1971
FIRST CLASS MAXIMUM INDICATORS FOR ELECTRIC POWER METERS OF ALTERNATING CURRENT.

Standard No.

UNE 21311:1971

Release Date

1971

Published By

AENOR

Latest

UNE 21311:1971

UNE 21311:1971 history

• 1971 UNE 21311:1971 FIRST CLASS MAXIMUM INDICATORS FOR ELECTRIC POWER METERS OF ALTERNATING CURRENT.