DATA CARRIER WITH OPTICALLY VARIABLE STRUCTURE
FIELD: technologies for protection from falsifications. ^ SUBSTANCE: device has optically variable structure with three-dimensional grid, which is placed in such a way relatively to cover, that, at different observation angles different optical effects appear, including variable ones. Three-dimensio...
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Main Authors | , , , , , , , |
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Format | Patent |
Language | English Russian |
Published |
27.08.2004
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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