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Archive | 1992

Gel compounds, their production and use

Dietmar Dr. Schäpel; Heinz-Dieter Ebert; Hartwig Grammes


Archive | 1992

Gel compounds, their preparation and use

Dietmar Dr. Schäpel; Heinz-Dieter Ebert; Hartwig Grammes


Archive | 1984

Use of polyhydroxyalkyl monoureas for polyurethane foams, dispersions of the polyhydroxyalkyl monoureas in polyols and new tris-hydroxyalkyl monoureas

Peter Haas; Geza Avar; Hartwig Grammes


Archive | 2001

Activators for the production of polyurethane foams

Peter Haas; Dirk Wegener; Hartwig Grammes


Archive | 2007

Plastic composite elements and a process for the production thereof

Peter Haas; Rolf Roers; Hartwig Grammes


Archive | 2004

Plastic composite elements and process for the production thereof

Peter Haas; Rolf Roers; Hartwig Grammes


Archive | 1992

Process for producing integral skin molded foams

Christian Weber; Hartwig Grammes


Archive | 1993

Process for the preparation of composite bodies

Ulrich Dr Liman; Dirk Wegener; Hartwig Grammes


Archive | 1984

USE OF POLYHYDROXYALKYL-POLYCARBONAMIDES FOR THE PREPARATION OF FLAME-PROOF STIFF POLYURETHANE FOAMS AND INTEGRAL FOAMS

Peter Haas; Geza Avar; Hartwig Grammes


Archive | 2007

Plastic composite elements and method for their production

Peter Haas; Catherine Dr. Lövenich; Hartwig Grammes

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