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Secondary radar systems for air traffic control. The measuring methods of main parameters

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Lasers and laser-related equipment. Determination of laser resistance of tracheal tubes. Part 1. Tracheal tube shaft

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Cameras 35 mm film cartridge 135. Specifications

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Pulse transformers. Basis parameters

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Information technology. Open system interconnection. Connection oriented presentation. Protocol specification

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Projectors for 8-mm films. Parameters

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