Hans K. Burghart

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Neuss, DE

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Patents Grantslast 30 patents

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Dry-spun hollow polyacrylonitrile fibres and filaments and process...
- Patent number 4,483,903
- Issue date Nov 20, 1984
- Bayer Aktiengesellschaft
- Ulrich Reinehr
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING