Russian standards PDF

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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Unified system for design documentation. Graphical symbols in diagrams. Acoustic devices

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Sintered hard metals. Determination of Rockwell hardness

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