Wolfgang Haak

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Oelde, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for cooling dust or finely granular bulk material
- Patent number 4,813,480
- Issue date Mar 21, 1989
- O & K Orenstein & Koppel Aktiengesellschaft
- Wolfgang Haak
- F28 - HEAT EXCHANGE IN GENERAL