Jorg Zellmer

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Dortmund, DE

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Patents Grantslast 30 patents

Information Patent Grant
Packing for heat- and material-exchange columns
- Patent number 6,783,119
- Issue date Aug 31, 2004
- Julius Montz GmbH
- Egon Zich
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Packing for heat-and material-exchange columns
- Publication number 20030047821
- Publication date Mar 13, 2003
- Egon Zich
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL