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AENOR Norma
UNE 21405-1:1995

UNE 21405-1:1995

Símbolos literales a utilizar en electrotecnia. Parte 1: generalidades.

LETTER SYMBOLS TO BE USED IN ELECTRICAL TECHNOLOGY. PART 1: GENERAL.

SYMBOLES LITTÉRAUX À UTILISER EN ÉLECTROTECHNIQUE. PREMIÈRE PARTIE. GÉNÉRALITES.

Publication date:
1995-07-17 /Cancelled
Cancellation date:
2009-04-22
International equivalences:

HD 245.1S3:1979 (Idéntico)

IEC 27-1A:1976 (Idéntico)

IEC 27-1:1971 (Idéntico)

IEC 27-1:1971/A1:1974 (Idéntico)

IEC 27-1:1971/A2:1977 (Idéntico)

Cancellations:

It is cancelled by: UNE-EN 60027-1:2009

Cancel: UNE 20004-1:1974

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