Erna Kleiner

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Gelnhausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Coal suspension flowability improvers
- Patent number 4,652,271
- Issue date Mar 24, 1987
- Henkel Kommanditgesellschaft auf Aktien
- Wolfgang von Rybinski
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...