electronic tubes
- 网络电子管
electronic tubeselectronic tubes
电子管
北京创造 ... 5.5.18 微型马达（ Micro-motors） 5.5.19 电子管（ Electronic tubes） 器件（ Ferrite Devices） ...
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Measurement of the electrical properties of electronic tubes; measurement of noises due to mechanical or acoustic excitations
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Measurements of the electrical properties of electronic tubes; methods of measurement for television picture tubes
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Measurement of the electrical properties of electronic tubes and valves; methods of measuring noise factor
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Measurement of the electrical properties of electronic tubes; part 14: methods of measurement of radar and oscilloscope cathode-ray tubes
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Methods of measurement of intermodulation products in electronic tubes or valves intended for use in colour television transposers
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