Russian standards PDF

Semiconductor emitters. Methods of measurement of radiant intensity and radiance

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Magnetic sound records on 35-mm perforated film. Dimensions and location of magnetic sound records and magnetic heads. Technical requirements

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Rectangular ejectors for wax-pattern dies. Design and dimensions

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Unified system for design documentation. Technical design

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Unified system for design documentation. Conventional representation of gears, racks, worms and chain wheels

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Unified system for design documentation. Graphic identifications in schemes. Electromeasuring apparatus

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