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IEC 60235-3 Ed. 1.0 b:1972Measurement of the electrical properties of microwave tubes. Part 3: Disk seal tubesstandard by International Electrotechnical Commission, 01/01/1972
IEC 60244-3B Ed. 1.0 b:1972Supplement B - Methods of measurement for radio transmitters - Part 3: Wanted and unwanted modulation - Unwanted modulation, including hum and noise modulationstandard by International Electrotechnical Commission, 01/01/1972
IEC 60244-3 Ed. 1.0 b:1972Methods of measurement for radio transmitters - Part 3: Wanted and unwanted modulationstandard by International Electrotechnical Commission, 01/01/1972
IEC 60389-1 Ed. 1.0 b:1972 [ Withdrawn ]Thermostatic switches primarily for use in equipment for telecommunications and in electronic applications employing similar techniques. Part 1: General requirements and measuring methodsstandard by International Electrotechnical Commission, 01/01/1972
IEC 60388-1 Ed. 1.0 b:1972 [ Withdrawn ]Thermal time delay switches for use in equipment for telecommunications and in electronic applications employing similar techniques. Part 1: General requirements and measuring methodsstandard by International Electrotechnical Commission, 01/01/1972
IEC 60386 Ed. 1.0 b:1972Method of measurement of speed fluctuations in sound recording and reproducing equipmentstandard by International Electrotechnical Commission, 01/01/1972
IEC 60394-2 Ed. 1.0 b:1972Varnished fabrics for electrical purposes. Part 2: Methods of teststandard by International Electrotechnical Commission, 01/01/1972
IEC 60394-1 Ed. 1.0 b:1972Varnished fabrics for electrical purposes. Part 1: Definitions and general requirementsstandard by International Electrotechnical Commission, 01/01/1972
IEC 60413 Ed. 1.0 b:1972Test procedures for determining physical properties of brush materials for electrical machinesstandard by International Electrotechnical Commission, 01/01/1972
IEC 60153-7 Ed. 1.0 b:1972Hollow metallic waveguides - Part 7: Relevant specifications for square waveguidesstandard by International Electrotechnical Commission, 01/01/1972
IEC 60231B Ed. 1.0 b:1972Supplement B - General principles of nuclear reactor instrumentation - Principles of instrumentation of direct cycle boiling water power reactorsstandard by International Electrotechnical Commission, 01/01/1972
IEC 60235-2 Ed. 1.0 b:1972Measurement of the electrical properties of microwave tubes - Part 2: General measurementsstandard by International Electrotechnical Commission, 01/01/1972