Helmut Eckardt

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Hilchenbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Injection-molding apparatus for making objects of two different resins
- Patent number 4,376,625
- Issue date Mar 15, 1983
- Battenfeld Maschinenfabrik GmbH
- Helmut Eckardt
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL