Erich Kiefer

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Patents Grantslast 30 patents

Information Patent Grant
Moulding apparatus
- Patent number 3,989,437
- Issue date Nov 2, 1976
- Kautex-Werke Reinold Hagen GmbH
- Erich Kiefer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL