Ralf Martens

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Beckum, DE

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Patents Grantslast 30 patents

Information Patent Grant
Ventilation element for a cooler
- Patent number 6,997,009
- Issue date Feb 14, 2006
- Polysius AG
- Ralf Martens
- F27 - FURNACES KILNS OVENS RETORTS

Patents Applicationslast 30 patents

Information Patent Application
Ventilation element for a cooler
- Publication number 20040168340
- Publication date Sep 2, 2004
- POLYSIUS AG
- Ralf Martens
- F27 - FURNACES KILNS OVENS RETORTS