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Joachim Domke
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Menden, DE
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last 30 patents
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Patent Grant
Mixing device with means to introduce and extract gaseous material
Patent number
5,054,933
Issue date
Oct 8, 1991
Dr. Herfeld GmbH & Co., KG
Michael Derksen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Method and apparatus for mixing bulk materials in powdered or granu...
Patent number
4,957,373
Issue date
Sep 18, 1990
Herfeld GmbH & Co. KG
Michael Derksen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL