Winkler + Dunnbier AG

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Patents Grantslast 30 patents

Information Patent Grant
Device and process for forming a matrix cavity
- Patent number 6,105,492
- Issue date Aug 22, 2000
- Winkler + Dunnbier AG
- Alfons Fergen
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD