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37821 |
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37822 |
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37823 |
BS 4847:1989*IEC 60386:1972Method of measurement of speed fluctuations in sound recording and reproducing equipment Method of measurement of speed fluctuations in sound recording and reproducing equipment |
37824 |
BS 5689-1:1979*IEC 60394-1:1972Varnished fabrics for electrical purposes. Definitions and general requirements Varnished fabrics for electrical purposes. Definitions and general requirements |
37825 |
BS 5689-2:1979*IEC 60394-2:1972Varnished fabrics for electrical purposes. Methods of test Varnished fabrics for electrical purposes. Methods of test |
37826 |
IEC 60061-1D:1972
supplement 4 - Lamp caps and holders together with gauges for the control of interchangeability and safety. Part 1: Lamp caps |
37827 |
IEC 60061-1E:1972
Supplement 5 - Lamp caps and holders together with gauges for the control of interchangeability and safety. Part 1: Lamp caps |
37828 |
IEC 60061-2C:1972
third supplement - Lamp caps and holders together with gauges for the control of interchangeability and safety. Part 2: Lampholders |
37829 |
IEC 60061-3D:1972
Fourth supplement - Lamp caps and holders together with gauges for the control of interchangeability and safety. Part 3: Gauges |
37830 |
IEC 60061-3E:1972
Fifth supplement - Lamp caps and holders together with gauges for the control of interchangeability and safety. Part 3: Gauges |
37831 |
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37832 |
IEC 60231B:1972
Supplement B - General principles of nuclear reactor instrumentation - Principles of instrumentation of direct cycle boiling water power reactors |
37833 |
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37834 |
IEC 60235-2:1972
Measurement of the electrical properties of microwave tubes - Part 2: General measurements |
37835 |
IEC 60235-3:1972
Measurement of the electrical properties of microwave tubes. Part 3: Disk seal tubes |
37836 |
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37837 |
IEC 60235-5:1972
Measurement of the electrical properties of microwave tubes. Part 5: Low-power oscillator klystrons |
37838 |
IEC 60235-6:1972
Measurement of the electrical properties of microwave tubes. Part 6: High-power klystrons |
37839 |
IEC 60235-7:1972
Measurement of the electrical properties of microwave tubes. Part 7: Gas-filled microwave switching devices |
37840 |
IEC 60235-8:1972
Measurement of the electrical properties of microwave tubes. Part 8: Backward-wave oscillator tubes - '0' type |