Russian standards PDF

Sewing domestic machines. General specifications

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Unified system for design documentation. Graphic identifications in schemes. Electronic tubes and valves

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Unified system for design documentation. Graphic identifications schemes. Elements and means of railway signalling, centralization and blocking

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Wood protection. The ways of impregnate

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Semiconductor microwave diodes. General specification

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Microwave electronic devices. Methods of measuring of modulating impulse parameters

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