作者: Robert C. Jordan
DOI:
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摘要: Described herein is a multi-layered security seal having first outer portion area and second an equivalent area. A nonlinear center positioned between the portion. The portion, form single unit. has adhesive at least partially disposed on underside of each and/or covert message one layer seal. displayed through upper when multi-layer removed from item which it been adhered or upon movement onto placed.