Mica. Types, marks and basic parameters
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Principal ventilation mine blowers
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Rock coals. Method for determination of plastic indicators
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Occupational safety standards system. Drilling equipment. Safety requirements
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Occupational safety standards system. Blowout preventer equipment. Safety requirements
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Concentrated natural chalk. Specifications
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Chrysotil. General specifications
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Chrisotile asbestos. Specification
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Chrysotile asbestos - chrysotile. General specifications
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Feldspar and quartzfeldapar raw material for glass industry. Specifications
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Crushed muscovite mica for electrodes. Specifications
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Quartz-feldspar raw materials for building ceramics. Specifications
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