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AENOR Norma
UNE 21009:1989

UNE 21009:1989

Medidas de los acoplamientos para rótula y alojamiento de rotula de los elementos de cadenas de aisladores.

DIMENSIONS OF BALL AND SOCKET COUPLINGS OF STRING INSULATOR UNITS.

Publication date:
1989-07-28 /In force
International equivalences:

HD 474S1:1986 (Idéntico)

IEC 120:1984 (Idéntico)

Cancellations:

Cancel: UNE 21009:1980

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