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IEC 60067 Ed. 2.0 b:1966
Dimensions of electronic tubes and valves
Gives dimensions and tolerances for electronic tube and valve bases, holders and caps, together with the relevant gauges and gauging procedure, to ensure interchangeability. Also includes recommended practice for the preparation of drawings of electronic tubes and valves. This is a loose-leaf publication and supplements, containing new or revised sheets, are issued from time to time.
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International Electrotechnical Commission [iec]
