UNE 20439-1:1990
ACCEPTANCE INSPECTION OF CLASS 3 ALTERNATING-CURRENT WATTHOUR METERS.

Standard No.

UNE 20439-1:1990

Release Date

1990

Published By

AENOR

Latest

UNE 20439-1:1990

UNE 20439-1:1990 history

• 1990 UNE 20439-1:1990 ACCEPTANCE INSPECTION OF CLASS 3 ALTERNATING-CURRENT WATTHOUR METERS.