Ralf Zinnhardt

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Olsberg, DE

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Patents Applicationslast 30 patents

Information Patent Application
Decorative acoustic absorber forming a wall element
- Publication number 20080230308
- Publication date Sep 25, 2008
- Arndt Steiner
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Cooling device for a ceiling
- Publication number 20080229772
- Publication date Sep 25, 2008
- Arndt Steiner
- F24 - HEATING RANGES VENTILATING