Walter Wetzel

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Achim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Last for shoe shafts which has a generally T-shaped groove and a sp...
- Patent number 4,817,305
- Issue date Apr 4, 1989
- Klockner Ferromatik Desma GmbH
- Walter Wetzel
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL