Rainer Gruening

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Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Composition for preservation of wood and wood-based materials
- Patent number 5,308,859
- Issue date May 3, 1994
- Deutsche Solvay Werke GmbH
- Wolfgang Metzner
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...