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Grant, 1990 - Google Patents

Recent advances in retroreflective security materials

Grant, 1990

Document ID
9477190007260974428
Author
Grant E
Publication year
Publication venue
Optical Security and Anticounterfeiting Systems

External Links

Snippet

As the title of this paper suggests, there are new optical systems that may be used for security applications. Several will be discussed here, along with a new selection procedure for consideration by those who search for utilization of the most effective" security" system to …
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