Volkmar Hilzensauer

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Amstetten, AT

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Patents Grantslast 30 patents

Information Patent Grant
Building material elements, particularly building boards, and a pro...
- Patent number 4,201,833
- Issue date May 6, 1980
- Isovolta Osterreichische Isolierstoffwerke Aktiengesellschaft
- Kurt Kirsch
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL