Russian standards PDF
Pipeline valves. Requirements for the materials of the valves used for hydrogen sulfide containing media
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Information technology. Set of standards for automated systems. Automated systems. Terms and definitions
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Motor vehicles. Threaded fasteners. Axial load fatigue. Test methods and evaluation of results
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Orthoses on foot. General technical requirements. Classification
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Reciprocal orthoses. General technical requirements. Classification
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Services in railway transport. Requirements for the quality of transportation by specialized freight trains
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