WO2011155648A1
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Discoloration-resistant white copper alloy for manufacturing a coin
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KR100959362B1
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Luminescent material and method of manufacturing the same
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KR20090086180A
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Ink foranti-counterfeiting by using x-ray sensing material
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KR100951620B1
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Combi card and communication system using thereof
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KR20100070239A
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Test method for delamination strength of paper products using universal testing machine and laminating
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KR20100070037A
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Nickel free white-colored copper alloys for coinage
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KR20100070240A
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A security paper containing red algae fiber and a method for manufacturing the same
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KR20100063364A
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Laminated sheet integrated with antenna coil including rf chip module and a method for manufacturing the same
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KR20100060493A
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Portable implement for detecting counterfeit note
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KR20100059595A
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A high polymer screen printing plate using laser hole and a method for preparing the same
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KR100882395B1
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Counterfeit detector
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KR100890502B1
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Counterfeit detector
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KR100882396B1
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Counterfeit detector
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KR100873965B1
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Complex counterfeit-bill detector
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KR20100019214A
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A manufacture method of mold
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KR20100016809A
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A method for preparing security thread
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KR20100013560A
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Used making method for security paper and inherence security paper to color change security color string for according to speciality wavelength
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KR20100012286A
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Fabrication method for laminating plate to from lenticulars partially
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KR20090115464A
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Automatic printing machine of Check and Working a method for The Same
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KR20090106864A
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Test-equipment of Change-prevention a check
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