Michael Steffens

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Remscheid, DE

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 4,930,709
- Issue date Jun 5, 1990
- G. Walter Steffens GmbH & Co.
- Michael Steffens
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...