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yy11 magnetic optical ink
Selling leads
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...checks, bonds and other securities. With the continuous development of science and technology, optically variable inks are not only used for anti...
2025-08-03 00:05:31
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...Optical Varible Ink Product information Optical variable ink is also called colorchanging ink and chameleon. The printed sample shows two colors, ...
2024-12-16 20:22:49
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..., red to gold, etc. When looking straight or sideways under normal light, as the viewing angle of the human eye changes, it presents two different ...
2024-12-16 20:22:48
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...Optical Variable Ink Product information Optical variable ink is also called colorchanging ink and chameleon. The printed sample shows two colors, ...
2024-12-09 23:37:26
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