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Smart led lighting apparatus using constant current type smps and control method thereof
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Method for waterproofing and carbonation protection of concrete structures
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Waterproof agent with penetrating into concrete
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Heater for mo cvd processing chamber
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A non-vibration portable motor
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electric hair dryer with fragrance remplacement filter
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Device for gas leak detection
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Elevator brake system for controlling voltage down
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Delineator of road
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A method of producing a microporous polymer membrane and a microporous polymer membrane produced by the method
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A transdermal patch and a method of producing the same
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Method of formating assembly of electrode for producing plasma ion for plasma cleaning of semiconductor
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Microporous composite membrane made by dry uniaxial stretching followed by surface modification process and making the same
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