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Frank Witzel

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Archive | 2000

Exhaust emission control system for the exhaust gas of a diesel engine

Wieland Mathes; Frank Witzel; Steffen Schnapp

Archive | 1999

Method and device for removing oxidic noxious substances in an oxygen-containing exhaust gas and engine which is operated therewith

Stefan Bröer; Thomas Hammer; Frank Witzel

Archive | 2001

Catalyst body and process for breaking down nitrogen oxides

Stefan Fischer; Günther Pajonk; Frank Witzel

Archive | 2000

Catalytic converter and method for cleaning exhaust gas

Ronald Neufert; Frank Witzel

Archive | 2001

Process for producing a catalyst body

Stefan Fischer; Ronald Neufert; Günther Pajonk; Frank Witzel

Archive | 1998

Eliminating oxidic pollutants in diesel engine exhaust gas

Thomas Hammer; Frank Witzel; Stefan Broeer

Archive | 1998

Configuration for decomposing nitrogen oxides in a gas stream and method for using the configuration

Wieland Mathes; Lothar Hofmann; Frank Witzel

Archive | 2000

Method and device for reducing the number of particles in an exhaust gas

Ronald Neufert; Frank Witzel; Stefan Fischer; Günther Pajonk

Archive | 1997

Abgasreinigungsanlage für das Abgas eines Dieselmotors

Wieland Mathes; Frank Witzel; Steffen Schnapp

Archive | 1997

Process for low temperature reduction of dioxines in an exhaust from a technical installation

Stefan Fischer; Günther Pajonk; Frank Witzel

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