Russian standards PDF
Steel and alloy metal products. Metallographic methods for the determination of nonmetallic inclusions
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Stops of automatic coupler equipment of freight and passenger cars. General specifications
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Wheelsets of the railway rolling stock. Methods of strength performance determination
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Railway tractive rolling stock. Part 1. Inspection methods for parameters of electrical engineering
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All-rolled wheels for wheelsets of subway rolling stock. General specifications
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Metal-oxide surge arresters without gaps for a.c. electrical installations from 3 to 750 kV. General specifications
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