Russian standards PDF

Enclosed transformer substations of output from 25 to 2500 kV·A, for voltages up to 10 kV inclusive. General specifications

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Silica optical glass. General specifications

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Plate heat exchanges. Types, parameters and basic dimensions

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Pneumatic piston cylinders. Specifications

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Cathode-ray receptive tubes. General specifications

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Furniture for sitting and lying. Methods of testing wooden beds for strength and durability

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