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Porous resin stamp
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Patent number 6,862,987
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Issue date Mar 8, 2005
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Sunlux Corporation
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Shigeru Kitahara
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Method of producing a porous resin stamp
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Patent number 6,645,418
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Issue date Nov 11, 2003
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Sunlux Corporation
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Shigeru Kitahara
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Driving fit rivet made of aluminum
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Patent number 6,527,491
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Issue date Mar 4, 2003
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Sunlux Corporation
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Yukio Uchimoto
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...