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Pressure-sensitive copying material
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Patent number 5,264,409
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Issue date Nov 23, 1993
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Nippon Petrochemicals Company, Limited
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Naoya Takahashi
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Pressure sensitive copy article
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Patent number 5,214,021
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Issue date May 25, 1993
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Nippon Petrochemicals Co., Ltd.
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Naoya Takahashi
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Pressure sensitive copy material
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Patent number 4,879,269
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Issue date Nov 7, 1989
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Nippon Petrochemicals Co., Ltd.
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Naoya Takahashi
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Polymer composition
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Patent number 4,803,238
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Issue date Feb 7, 1989
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Nippon Petrochemicals Company, Limited
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Atsushi Sato
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Pressure-sensitive recording material
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Patent number 4,686,548
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Issue date Aug 11, 1987
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Nippon Petrochemicals Company, Limited
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Naoya Takahashi
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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