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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 Johannes Marra is active.

Publication


Featured researches published by Johannes Marra.


Archive | 2001

Display device comprising a light guide

Gerardus G. P. van Gorkom; Pierre Leon Hubert Marie Cobben; Johannes Marra


Archive | 1992

Method for removing in a centrifuge a liquid from a surface of a substrate

Adriaan Franciscus Maria Leenaars; Johanna Antoinette Maria Huethorst; Johannes Marra


Archive | 1999

Activated carbon air filters

Sigrid Maria Roman Gelderland; Johannes Marra


Archive | 2003

Light generating device having polarized light emitting waveguide plate

Peter A. Duine; Hugo Johan Cornelissen; Tijsbert Mathieu Henricus Creemers; Johannes Marra


Archive | 2004

Dynamic foil display having low resistivity electrodes

Petrus F. G. Bongaerts; Matheus Godefridus Johannus Bel; Peter A. Duine; Johannes Gijsbertus Antonius Den Biggelaar; Johannes Marra; Tijsbert Mathieu Henricus Creemers; Roland M. Schuurbiers


Archive | 1994

Steam iron with scale prevention

Wilhelmus Hendrikus Maria Bruggink; Johannes Marra; Oene Van Der Wal; Theodorus Thijssen


Archive | 2003

Display apparatus with scanning backlight

Johannes Marra; Dirk J. Broer; Tijsbert Mathieu Henricus Creemers; Peter A. Duine; Hendrik De Koning


Archive | 2009

Sensor for sensing airborne particles

Johannes Marra


Archive | 2003

Method of electrostatic deposition

Johannes Marra; Stephen J. Battersby; Dam Dirkjan B. Van


Archive | 2003

Light-collimating system

Johannes Marra; Harald Glaeser

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