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Detlef Maertens
Detlef Maertens
Computer science
World Wide Web
Composite material
Materials science
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7
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A method for manufacturing a book-type security document and a book-like valuable document
2005
Harald Hoeppner
Michael Radtke
Detlef Maertens
Manfred Paeschke
Jens Ehreke
Thomas Loeer
Rainer Seidel
Michael Knebel
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A multilayer security document and method of producing the
2001
Harald Hoeppner
Thomas Loeer
Detlef Maertens
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Method and apparatus for manufacturing an at least one polymer film with information and at least a support layer containing composite for further processing for forgery-proof documents
1999
Waldemar Kiener
Johann Rein
Harald Hoeppner
Thomas Loeer
Detlef Maertens
Michael Radtke
Norbert Sengstock
Wolfgang Doerner
Peter Stiemert
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The security element for documents and process for its preparation
1998
Christian Lang
Jongh Rudi De
Guenther Dausmann
Harald Hoeppner
Thomas Loeer
Detlef Maertens
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