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IEC 60151-19:1969

Measurements of the electrical properties of electronic tubes and valves - Part 19: Methods of measurement on corona stabilizers

IEC 60151-20:1969

Measurements of the electrical properties of electronic tubes and valves. Part 20: Methods of measurement of thyratron pulse modulators

IEC 60151-21:1969

Measurements of the electrical properties of electronic tubes and valves - Part 21: Methods of measurement of cross-modulation in electronic tubes and valves

IEC 60231A:1969

Supplement A - General principles of nuclear reactor instrumentation

IEC 60244-2:1969

Methods of measurement for radio transmitters. Part 2: Bandwidth, out-of-band power and power of non-essential oscillations

IEC 60244-2A:1969

Methods of measurement for radio transmitters - Part 2: Bandwidth, out-of-band power and power of non-essential oscillations

IEC 60244-2B:1969

Supplement B - Methods of measurement for radio transmitters - Part 2: Bandwidth, out-of-band power and power of non-essential oscillations - Modulating signals for the measurement of bandwidth and out-of-band power of transmitters for telephony and sound broadcasting

IEC 60306-1:1969

Measurement of photosensitive devices - Part 1: Basic recommendations

IEC 60306-2:1969

Measurement of photosensitive devices. Part 2: Methods of measurement of phototubes

BS 2558:Supplement No. 1:1968

Metric sizes

Metric sizes

IEC 60151-16:1968

Measurements of the electrical properties of electronic tubes and valves - Part 16: Methods of measurement for television picture tubes

IEC 60151-18:1968

Measurements of the electrical properties of electronic tubes and valves. Part 18: Methods of measurement of noises due to mechanical or acoustic excitations

IEC 60258:1968

Direct acting recording electrical measuring instruments and their accessories

IEC 60264-1:1968

Packaging of winding wires. Part 1: Containers for round winding wires

DIN 48351 Supplement 1:1967

A-masts; formulas and calculations

A-masts; formulas and calculations

IEC 60067A:1967

First supplement - Dimensions of electronic tubes and valves

IEC 60141-2:1963/AMD1:1967

Amendment 1 - Tests on oil-filled and gas-pressure cables and their accessories - Part 2: Internal gas-pressure cables and accessories for alternating voltages up to 275 kV

IEC 60141-3:1963/AMD1:1967

Amendment 1 - Tests on oil-filled and gas-pressure cables and their accessories - Part 3: External gas-pressure (gas compression) cables and accessories for alternating voltages up to 275 kV

IEC 60151-15:1967

Measurements of the electrical properties of electronic tubes and valves. Part 15: Methods of measurement of spurious and unwanted electrode currents

IEC 60153-6:1967

Hollow metallic waveguides - Part 6: Relevant specifications for medium flat rectangular waveguides