4. G - Physics
  5. 07
  6. D

Frank Puttkammer

G - Physics – 07 – D

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Country: Germany

Constituting security elements with optical diffraction...

G - Physics – 07 – D
Patent

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Method and apparatus for checking security documents

G - Physics – 07 – D
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Optically variable security attribute

B - Operations – Transporting – 41 – M
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Security element structure for documents, devices for...

G - Physics – 07 – D
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Security element structure for documents, devices for...

G - Physics – 07 – D
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Profile ID: LFCA-PAI-P-1282261

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