Bernd Hollman

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Dotternhausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the carbonization of oil shale and other carbonizable m...
- Patent number 4,326,471
- Issue date Apr 27, 1982
- Portlandzementwerk Dotternhausen Rudolf Rohrbach Kommanditgellschaft
- Gerhard Rohrbach
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...