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Copper and complex ores, and products of their processing. Methods of measurement of silicon dioxide weight fraction
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Chrysotile asbestos. Methods for determination of fractional composition and foreign matters content
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Fire protective means for wood. Methods for determination of fire protective properties
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Talc and talcomagnesite. Method for determination of solubility in hydrochloric acid
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Joints of tubes with tube-plates and collectors of heat exchangers. Requirements for typical technology of making tube to tube-plate joints by means of leads electrical explosion energy
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