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JPS60190390A
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Thermal transfer printing material
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JPS60101086A
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Thermal transfer material
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JPS59171691A
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Pressure and heat-sensitive carbon copying paper
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JPS5964679A
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Printing ink for preventing forgery
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JPS58181685A
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Color developing print ink
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JPS5871190A
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Hectographic mimeograph
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JPS57205465A
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Concealing ink
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JPS5796895A
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Heat sensitive multiple copying paper
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JPS5796896A
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Heat sensitive muliple copying paper
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JPS5569494A
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Color development material
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JPS555845A
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Pressure sensitive copy paper
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JPS555846A
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Pressure sensitive copy paper
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JPS54159008A
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Pressureesensitive copying paper
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JPS54106308A
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Ink for pasteurization mark
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JPS53145712A
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Sterilizing marking ink
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JPS53128586A
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Reversible heattdiscoloring color material
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JPS53102922A
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Reversible* heat discolorable coloring material
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JPS53102284A
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Reversible heat color developing material
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JPS5382507A
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Water decoloring drawing material
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JPS5377707A
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Thermally vanishing drawing material without ageing discoloration
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