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US5455129A Holographic products with sealed edges 失效
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Holographic products with sealed edges
摘要:
A holographic product with sealed edges which will resist delamination before and after attachment to a substrate when exposed to moisture or abrasion resulting from ordinary usage. The holographic product comprises a transparent abrasion resistant moisture impervious plastic top layer, an adhesive bottom layer, an intermediate reflective surface or layer and a seal along the entire perimeter. The seal is preferably produced by a hot cutting tool.
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