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Schwenk Gerhard

Giesecke & Devrient

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Publication

Featured researches published by Schwenk Gerhard.

Archive | 1999

Echtheitsmerkmalskombination für Wertdokumente

Kaule Wittich; Schwenk Gerhard; Stenzel Gerhard

Archive | 2000

Valuable printed document with luminous discriminator

Kaule Wittich; Schwenk Gerhard; Stenzel Gerhard

Archive | 2001

Security paper, for secure documents, comprises veining fibers with differing luminescent properties to discourage document forgery, and is coded according to their disposition

Schwenk Gerhard

Archive | 2004

Wertdokument mit einem maschinenlesbaren Echtheitskennzeichen

Stenzel Gerhard; Kaule Wittich; Schwenk Gerhard

Archive | 1994

Sicherheitsdokument mit darin eingebettetem elektrisch leitfähigen Sicherheitselement.

Kaule Wittich; Ilgmann Wilhelm; Schwenk Gerhard; Stenzel Gerhard

Archive | 1981

PAPIER FIDUCIAIRE COMPORTANT DES MARQUES D'AUTHENTICITE SOUS LA FORME DE SUBSTANCES LUMINESCENTES; PROCEDE ET APPAREIL POUR L'AUTHENTIFIER

Kaule Wittich; Schwenk Gerhard; Stenzel Gerhard

Archive | 2004

Apparatus and method for checking a luminescent security feature

Giering Thomas; Schwenk Gerhard; Rauscher Wolfgang; Olivier Martin; Yannick Mechine; Lysis Cubieres

Archive | 2003

Luminescent materials for use in security or authenticity markings on e.g. banknotes or credit cards comprise an adsorption complex of a layered silicate with a luminescent compound

Schwenk Gerhard; Scholz Ulrich; Stahr Fritz; Hoppe Reiner

Archive | 1981

PAPIER FIDUCIAIRE COMPORTANT DES CARACTERISTIQUES D'AUTHENTICITE SOUS FORME DE SUBSTANCES LUMINESCENTES ET PROCEDE ET DISPOSITIF POUR LA DETERMINATION DE L'AUTHENTICITE D'UN TEL PAPIER

Kaule Wittich; Schwenk Gerhard; Stenzel Gerhard

Archive | 1981

PAPIER FIDUCIAIRE, POURVU DE MARQUES D'AUTHENTICITE SOUS LA FORME DE SUBSTANCES LUMINESCENTES, PROCEDE POUR SA FABRICATION, ET DISPOSITIF ET METHODE POUR SON UTILISATION

Kaule Wittich; Schwenk Gerhard; Stenzel Gerhard

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Stenzel Gerhard

Giesecke

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Kaule Wittich

Giesecke

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Giering Thomas

Giesecke

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Scholz Ulrich

Giesecke

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Rauscher Wolfgang

Giesecke

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Hoppe Reiner

Giesecke

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Lysis Cubieres

Giesecke

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Olivier Martin

Giesecke

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Stahr Fritz

Giesecke

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Yannick Mechine

Giesecke

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