Norbert Dunker

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Recklinghausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Coke-feeding device with housing for a dry cooling installation for...
- Patent number 5,421,963
- Issue date Jun 6, 1995
- Ruhrkohle Aktiengesellschaft
- Wilhelm Stewen
- F27 - FURNACES KILNS OVENS RETORTS