Russian standards PDF
Information processing systems. Cryptographic protection. Cryptographic transformation algorithm
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Refrigerating systems using positive displacement compressor. Methods of testing
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Building structures. Fire- resistance test methods. Elevator shaft doors
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Mechanical environment stability test methods for machines, instruments and other industrial products. Determination of dynamic characteristics of structure
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Electromagnetic compatibility of technical equipment. Limits of harmonic currents produced by equipment with input current greater than 16 A and not greater than 75 A per phase connected to public low-voltage supply systems. Limits and test methods
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