Norbert Landgraf | Researchain

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Archive | 1991

Catalyst for reducing nitrogen oxides

Doris Vogel; Norbert Landgraf; Josef Sprehe; Wolfgang Gajewski; Dietmar Hein; Helmut Schmelz

Archive | 1988

Process utilizing catalytic material for the reduction of nitrous oxides

Helmut Schmelz; Helmut Thomann; Renate Kuschke; Eva-Helga Wilbert; Wolfgang Gajewski; Josef Sprehe; Norbert Landgraf; Hans Dr Rer Nat Ranly; Lothar Balling; Richard Reppisch; Dietmar Hein

Archive | 2005

High Temperature Solid Electrolyte Fuel Cell and Fuel Cell Installation Built with Said Fuel Cell

Joachim Grosse; Wilhelm Kleinlein; Horst Greiner; Norbert Landgraf; Werner Merz

Archive | 1989

Process for producing a catalyst for reducing nitrogen oxides in flue gases

Doris Vogel; Norbert Landgraf; Josef Sprehe; Wolfgang Gajewski; Dietmar Hein; Helmut Schmelz

Archive | 1997

Catalyst for reacting organic compounds present in a gas mixture

Norbert Landgraf; Erich Hums

Archive | 1990

Catalyst system esp. for removal of nitrogen oxide(s) - by redn. with ammonia, has two catalysts of differing optimal operating temps.

Helmut Dr Rer Nat Schmelz; Helmut Thomann; Lothar Balling; Wolfgang Dr. Dipl.-Phys. Gajewski; Dietmar Hein; Norbert Landgraf; Josef Sprehe

Archive | 1986

Catalyst for the reduction of nitrogen oxides

Helmut Dr. Dipl.-Phys. Schmelz; Helmut Dr. Dipl.-Chem. Thomann; Renate Kuschke; Eva-Helga Wilbert; Wolfgang Dr. Dipl.-Phys. Gajewski; Josef Sprehe; Norbert Landgraf; Hans Dr Rer Nat Ranly; Lothar Balling; Richard Reppisch; Dietmar Hein

Archive | 2004