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Bipolar microwave oscillator transistors. Techniques for measuring output power, power gain and collector efficiency
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Radiorelay equipment. Classification. Interface basic parameters
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Electromagnetic compatibility (EMC). Part 6-5. Generic standards. Immunity for equipment used in power station and substation environment
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Facsimile apparatus with redundancy reduction means for half-tone`s screen pictures transmission and reception. Basic parameters
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Geoinformatic mapping. Spatial models of terrain. General requirements
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