Marc Wihsmann

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Berlin, DE

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Patents Grantslast 30 patents

Information Patent Grant
Non-inflammable fiber product
- Patent number 6,086,998
- Issue date Jul 11, 2000
- Protekum Umweltinstitut GmbH Oranienburg
- Marc Wihsmann
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES