Gerhard Rutkowski

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Mulheim an der Ruhr, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for preheating coal for coking
- Patent number 4,240,877
- Issue date Dec 23, 1980
- Firma Carl Still GmbH & Co. KG
- Dieter Stahlherm
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...