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Optical authentication device

Optical: systems and elements – Holographic system or element – Authentication
Patent

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Optical element and method for the production thereof

Optical: systems and elements – Holographic system or element – Authentication
Reexamination Certificate

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Optical element and method for the production thereof

Optical: systems and elements – Holographic system or element – Authentication
Reexamination Certificate

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Optical element and method for the production thereof

Optical: systems and elements – Holographic system or element – Authentication
Reexamination Certificate

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Optical feature, in particular for documents of value, and a...

Optical: systems and elements – Holographic system or element – Authentication
Reexamination Certificate

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Optical fiber illumination device and inspection apparatus

Optical: systems and elements – Holographic system or element – Authentication
Reexamination Certificate

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Optical recording medium and apparatus of judging fake thereof

Optical: systems and elements – Holographic system or element – Authentication
Reexamination Certificate

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Optical structure

Optical: systems and elements – Holographic system or element – Authentication
Reexamination Certificate

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Optically variable element

Optical: systems and elements – Holographic system or element – Authentication
Reexamination Certificate

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Optically variable element and the use thereof

Optical: systems and elements – Holographic system or element – Authentication
Reexamination Certificate

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Optically variable security attribute

Optical: systems and elements – Holographic system or element – Authentication
Reexamination Certificate

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Optically variable security device

Optical: systems and elements – Holographic system or element – Authentication
Reexamination Certificate

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Optically variable surface pattern

Optical: systems and elements – Holographic system or element – Authentication
Reexamination Certificate

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