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CS247640B1
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Powder materials' dosing device
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CS247888B1
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Scraping bar for vertical ball machine-tool
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CS240678B1
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Very fine liquid dissipation device
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CS221398B1
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Method of ball lapping
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CS222580B1
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Fluid for lapping the balls
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CS211273B1
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Facility for preventing excessive liquid leakage
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CS211170B1
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Device for control of translatory or reversing rotary motion of sprinkler
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CS183381B1
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High-speed clamping mechanism for the output shafts
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CS182636B1
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Elastic flexible shaft
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CS185416B1
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Vulcanization of epoxyde resins
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CS185911B1
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Irrigator with the interrupted jet
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