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IEC 60135 Ed. 1.0 b:1961

M00001551

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IEC 60135 Ed. 1.0 b:1961 Numbering of electrodes and designation of units in electronic tubes and valves

standard by International Electrotechnical Commission, 01/01/1961

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Applies to multi-electrode tubes, with the exception of cathode-ray tubes. Describes the system used for numbering the electrodes of the same type multi-electrode tubes and for assigning designations to the units of multiple-unit tubes.