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Latest external collaboration on country level. Dive into details by clicking on the dots.

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Dive into the research topics where Ralf Henn is active.

Publication


Featured researches published by Ralf Henn.


Archive | 1999

Method for the production of a multi-layer plastic identity card

Dirk Fischer; Ralf Henn


Archive | 2001

Method for producing document cards comprising several layers and document cards produced therewith

Ralf Henn; Dirk Fischer; Matthias Schumacher


Archive | 2000

Multi-layer plastics identity and validation cards are bonded by a durable heat- and solvent-resistant two-component crosslinkable adhesive system based e.g. on an unsaturated polyamide or a polyurethane

Ralf Henn; Dirk Fischer; Matthias Schumacher


Archive | 2004

Method for the production of a multi-layer identity card of plastic

Dirk Fischer; Ralf Henn


Archive | 1999

Method for the production of a multilayer plastic identity card

Dirk Fischer; Ralf Henn


Archive | 1999

Verfahren zur herstellung einer mehrschichtigen ausweiskarte aus kunststoff

Dirk Fischer; Ralf Henn


Archive | 2003

METHOD FOR PRODUCING A PLASTIC MULTILAYER IDENTITY CARD AND PRE-GLUED COVERING LAYER USED IN THIS METHOD

Dirk Fischer; Ralf Henn


Archive | 2001

A process for producing multi-layer document cards and card document prepared therewith

Ralf Henn; Dirk Fischer; Matthias Schumacher


Archive | 2001

Verfahren zur herstellung von mehrschichtigen dokumentenkarten und danach hergestellte dokumentenkarten

Ralf Henn; Dirk Fischer; Matthias Schumacher


Archive | 2001

Verfahren zur herstellung von mehrschichtigen dokumentenkarten und danach hergestellte dokumentenkarten Process for the preparation of multi-layered document cards and then prepared documents cards

Ralf Henn; Dirk Fischer; Matthias Schumacher

Collaboration


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