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Ink composition and writing instrument
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Ink erasing liquid
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Fabric marking instrument
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Method and a kit for making a rough design on the surface of an object
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Formation of draft and instrument therefor
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Food and drink capable of color change and additive therefor
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White ink composition
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Ink composition and a pressure sensitive reproducing
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A pressure sensitive reproducing material
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Pressure sensitive reproducing material
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Ink composition
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Ink composition
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Method for reproducing erased image and material used therein
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Ink composition
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Ink composition
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Ink composition
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Ink composition
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