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Metallic gauze braiding machine
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Centrifugal fan rotor
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Lagging for support of mine working
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Equipment of mine shaft
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Special profile lining
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Device for protection against ground leakage in supply line with insulated neutral
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Pneumatic displacement pump
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Yielding unit of special section for support
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Support for workings
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Blast drilling method for calotting in construction of large-section workings in strong and medium-strength rocks
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