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INVISIBLE INK COMPOSITION, INVISIBLE PRINTED MATTER, AND INVISIBLE PRINTING APPLICATION SYSTEM
INVISIBLE INK COMPOSITION, INVISIBLE PRINTED MATTER, AND INVISIBLE PRINTING APPLICATION SYSTEM
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机译:看不见的墨水成分,看不见的印刷物和看不见的印刷应用系统
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摘要
An invisible ink composition (a) a fluorescent pigment not having substantially an absorption region in a visible light region and (b) a vehicle which is transparent to both of the light of a wavelength exciting the fluorescent pigment and the light emitted from the fluorescent pigment. The invention relates also to printed matters obtained using this invisible ink composition. Furthermore, the present invention relates to an application system utilizing the printed matters.
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