Russian standards PDF

Fittings of copper and copper alloys with ends for capillary soldering or capillary brazing to copper tubes. Specifications

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Seed potatoes. Specifications and methods of determining the quality

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Safe locks. Requirements and methods of tests for resistance to unauthorized opening

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Internal buildings and structures utilities. Testing and adjusting the ventilation systems and air-conditioning. Rules of carrying out and control of performance of works

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Guidelines for accommodation and care of laboratory animals. Rules for keeping and care of farm animals

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Vessels and apparatus. Norms and methods of strength calculation. General requirements

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