William Valenta

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Maria Enzersdorf, AT

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Patents Grantslast 30 patents

Information Patent Grant
Method for the continuous production of foam material
- Patent number 4,783,287
- Issue date Nov 8, 1988
- Isovolta Osterreichische Isolierstoffwerke Aktiengesellschaft
- Walter Eichberger
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL