A pattern forming the perspective latent image and the base pattern are unified designed and printed simultaneously in one time to adhere with the carrier via the engraving gravure printing mode.
构成透视潜影的图案和基底图案统一设计，并通过雕刻凹印印刷方式一次性同时印刷而与载体附着在一起。
A pattern forming the perspective latent image and the base pattern are unified designed and printed simultaneously in one time to adhere with the carrier via the engraving gravure printing mode.
构成透视潜影的图案和基底图案统一设计，并通过雕刻凹印印刷方式一次性同时印刷而与载体附着在一起。
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