Russian standards PDF
Prefabricated concrete and reinforced concrete constructions and products. Symbols (marks)
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Hexagon nuts with thread diameter over 48 mm. Product grade B. Specifications
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Conformity assessment. Requirements for bodies certifying products, processes and services
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Power and control cables for use in electrical installations in explosive atmospheres. General specifications
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Electrica wiring. Maintaining operability in the conditions of the standard temperature regime of afire. Test methodsElectrica wiring. Maintaining operability in the conditions of the standard temperature regime of afire. Test methods
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