In addition, the anti-counterfeit printing ink is printed in an overlapped amnner, and the colors can interact each other, thereby the effect of multi- pattern color changing can be achieved.
另外，两种防伪油墨叠加印刷，图案颜色相互作用，还可以产生多种图案颜色变化的效果。
In addition, the anti-counterfeit printing ink is printed in an overlapped amnner, and the colors can interact each other, thereby the effect of multi- pattern color changing can be achieved.
另外，两种防伪油墨叠加印刷，图案颜色相互作用，还可以产生多种图案颜色变化的效果。
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