Wolfgang Ehrfeld

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Ettlingen, DT

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for separating gaseous or vaporous materials, esp...
- Patent number 3,989,483
- Issue date Nov 2, 1976
- Gesellschaft fur Kernforschung m.b.H.
- Erwin Willi Becker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL