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AENOR Norma
UNE 20004-4/1C: 1976

UNE 20004-4/1C:1976

SIMBOLOS (LITERALES Y GRAFICOS) Y ESQUEMAS EN ELECTROTECNIA. CONTACTOS, APARAMENTA, MANDOS MECANICOS, ARRANCADORES Y RELES ELECTROMECANICOS

RECOMMENDED GRAPHICAL SYMBOLS: CONTACTS, SWITCHGEAR, MECHANICAL CONTROLS STARTERS AND ELEMENTS OF ELECTROMECHANICAL RELAYS

Publication date:
1976-07-15 /Cancelled
Cancellation date:
2000-01-20
International equivalences:

IEC 117-3A MOD.2:1972 (No Equivalente)

IEC 117-3A:1970 (Idéntico)

IEC 117-3B:1972 (Idéntico)

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