Edmund Alper

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Lohmar, DE

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Patents Grantslast 30 patents

Information Patent Grant
Valve for closing cavities which are to be foam-filled
- Patent number 5,670,179
- Issue date Sep 23, 1997
- Maschinenfabrik Hennecke GmbH
- Edmund Alper
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL