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IEC 60244-3:1972

Methods of measurement for radio transmitters - Part 3: Wanted and unwanted modulation

IEC 60244-3B:1972

Supplement B - Methods of measurement for radio transmitters - Part 3: Wanted and unwanted modulation - Unwanted modulation, including hum and noise modulation

IEC 60386:1972

Method of measurement of speed fluctuations in sound recording and reproducing equipment

IEC 60392:1972

Guide for the drafting of specifications for microwave ferrites

IEC 60394-1:1972

Varnished fabrics for electrical purposes. Part 1: Definitions and general requirements

IEC 60394-2:1972

Varnished fabrics for electrical purposes. Part 2: Methods of test

IEC 60413:1972

Test procedures for determining physical properties of brush materials for electrical machines

BS 4341:Addendum No. 1:1971

Methods of test for formic acid

Methods of test for formic acid

BS 5677:1979*IEC 60327:1971

Method (precision) for pressure calibration of one-inch standard condenser microphones by the reciprocity technique

Method (precision) for pressure calibration of one-inch standard condenser microphones by the reciprocity technique

BS 6840-6:1987*IEC 60268-6:1971

Sound system equipment. Methods for specifying and measuring the characteristics of auxiliary passive elements

Sound system equipment. Methods for specifying and measuring the characteristics of auxiliary passive elements

IEC 60061-1B:1971

Second supplement - Lamp caps and holders together with gauges for the control of interchangeability and safety. Part 1: Lamp caps

IEC 60061-1C:1971

Third supplement - Lamp caps and holders together with gauges for the control of interchangeability and safety. Part 1: Lamp caps

IEC 60061-2B:1971

second supplement - Lamp caps and holders together with gauges for the control of interchangeability and safety. Part 2: Lampholders

IEC 60061-3B:1971

Second supplement - Lamp caps and holders together with gauges for the control of interchangeability and safety. Part 3: Gauges

IEC 60061-3C:1971

Third supplement - Lamp caps and holders together with gauges for the control of interchangeability and safety. Part 3: Gauges

IEC 60130-10:1971

Connectors for frequencies below 3 MHz - Part 10: Connectors for coupling an external low-voltage power supply to portable entertainment equipment

IEC 60151-24:1971

Measurements of the electrical properties of electronic tubes and valves - Part 24: Methods of measurement of cathode-ray charge-storage tubes

IEC 60151-25:1971

Measurements of the electrical properties of electronic tubes - Part 25: Methods of measurement of Geiger-Müller counter tubes

IEC 60151-26:1971

Measurements of the electrical properties of electronic tubes and valves. Part 26: Methods of measurement for camera tubes

IEC 60169-6:1971

Radio-frequency connectors. Part 6: R.F. coaxial connectors for cables 96 IEC 75-17 and larger