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Railway lock washers. Specifications

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Automobile roads of general use. Variable message signs. Technical requirements

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Building materials and products of high and medium thermal resistance. Methods of determination of thermal resistance by means of guarded hot plate and heat flow meter

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General methods of test for pigments and extenders. Determination of tamped volume, apparent density after tamping and bulk volume

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Disk springs for rail joints. Specifications

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Eartthquakes. Seismic intensity scale

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