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Ink for heat-sensitive recording
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Patent number 5,134,189
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Issue date Jul 28, 1992
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Mitsubishi Paper Mills Limited
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Toshihiko Matsushita
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Thermal transfer recording sheet
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Patent number 5,075,170
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Issue date Dec 24, 1991
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Mitsubishi Paper Mills Limited
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Toshihiko Matsushita
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Thermal transfer recording sheet
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Patent number 5,047,284
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Issue date Sep 10, 1991
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Mitsubishi Paper Mills Limited
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Kiyoshi Shibuya
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Winding machine
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Patent number 4,466,578
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Issue date Aug 21, 1984
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Ishikawajima-Harima Jukogyo Kabushiki Kaisha
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Kiyoshi Shibuya
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...