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Leather. Wet blue sheep skins. Technical requirements
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Automobile roads of general use. Soils stabilized and fortified with inorganic binders. General specifications
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State systems for ensuring the uniformity of measurements. Method of measurement of spectral diffuse reflectance of photovoltaic elements and solar collectors at angles of incidence of the radiation from 5 ° to 85 °
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Washers for tube connections on internal cone. Construction and dimensions
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