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Standard
UNE-HD 145S1:1974 (Ratificada)

UNE-HD 145S1:1974 (Ratificada)

Numeración de electrodos y designación de unidades en tubos y válvulas electrónicos (Ratificada por AENOR en diciembre de 1995.)

NUMBERING OF ELECTRODES AND DESIGNATION OF UNITS IN ELECTRONIC TUBES AND VALVES. (Endorsed by AENOR in December of 1995.)

Ratification date:
1995-12-01 /Vigente
International equivalences:

HD 145 S1:1974 (Identical)

IEC 60135:1961 (Identical)

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