发明授权
US5005719A Tamper evident optical device and article utilizing the same 失效
篡改明显的光学装置和使用它的物品

Tamper evident optical device and article utilizing the same
摘要:
Tamper evident optical device comprising a substrate and a multi-layer taper evident splittable coating carried by the substrate. The coating has a release region formed therein. An adhesive is secured to the tamper evident coating.
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