Heinz Grachtrup

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Ennigerloh, DE

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Patents Grantslast 30 patents

Information Patent Grant
Roller mill
- Patent number 4,915,311
- Issue date Apr 10, 1990
- Krupp Polysius AG
- Heinz Grachtrup
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...