Russian standards PDF
Butadiene-methylstyrene SKMS-30ARKM-27 and butadiene-styrene SKS-30ARKM-27 synthetic rubber. Specifications
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Butadiene-methylstyrene SKMS-30ARKPN and butadiene-styrene SKS-30ARKPN rubbers. Specifications
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Alumina. Methods for the determination of iron oxide
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Mixes of fly-ash and slag of thermal plants for conctetes. Specifications
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Water supply mixing valves and taps. Types and principal dimensions
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