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Welded joints in steel structures of railway rolling stock. Ultrasonic testing methods

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Unified system for design documentation. Graphic identifications in schemes. Inductive coils, chokes, transformers, autotransformers and magnetic amplifiers

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Jams. General specifications

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Integrated circuits. Digital-analog converters. Methods for measuring the time of setting the output voltage (current)

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Unified system for design documentation. Scales

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Dressed skins of wolverine. Specifications

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