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On the intaglio printed matter and the distinction mannered null backing material which possess
On the intaglio printed matter and the distinction mannered null backing material which possess
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机译:在凹版印刷品上和具有独特意义的空底纸上
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摘要
PROBLEM TO BE SOLVED: To provide a printed product having an intaglio printing element and/or an intaglio dot pattern with a fine slit pattern structure without developing latent image information merely by inclining without noticing it as a latent image intaglio at a glance. SOLUTION: A fine slit pattern structure is executed on a basic image A expressing the face image of a person by continuously changing the printing element width or the diameter of the line drawing and/or the dot pattern. The slit pattern is the intaglio printed product of a slit pattern structure of parallel straight line pattern state at an equal interval of about 1 to 0.3 of the ratio (non-printing element part/printing element part) of the printing element part to the non-printing element part. The discriminating implement is made of a transparent film base material for discriminating a truth or a falsehood of the intaglio printed product by a discriminating screen having a parallel line pattern of a pitch interfered with that of the image of the parallel line pattern of the same pitch as that of the fine slit pattern structure filled in the intaglio printed product.
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