Grunsweig & Hartmann and Glasfaser AG

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Patents Grantslast 30 patents

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Apparatus for producing fibres from silicate raw materials such as...
- Patent number 4,822,392
- Issue date Apr 18, 1989
- Grunsweig & Hartmann and Glasfaser AG
- Gaston Fachat
- C03 - GLASS MINERAL OR SLAG WOOL