Rheinhold Wippich

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Recklinghausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Immersion-type seal for the standpipe opening of coke ovens
- Patent number 4,296,938
- Issue date Oct 27, 1981
- Firma Carl Still GmbH & KG
- Ludwig Offermann
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...