Dieter Alwes

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Hilchenbach-Dahlbruch, DT

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Patents Grantslast 30 patents

Information Patent Grant
Injection molding apparatus
- Patent number 3,937,447
- Issue date Feb 10, 1976
- Siemag Siegener Maschinenbau GmbH
- Dieter Alwes
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL