Berstoff GmbH

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Hannover, DE

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Patents Grantslast 30 patents

Information Patent Grant
Production of a cylindrical housing for a double screw extruder
- Patent number 6,881,934
- Issue date Apr 19, 2005
- Berstoff GmbH
- Michael Behling
- C21 - METALLURGY OF IRON
Information Patent Grant
Extruder comprising blister mechanism
- Patent number 6,705,753
- Issue date Mar 16, 2004
- Berstoff GmbH
- Michael Behling
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL