Alfons Knauf

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Siersburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the manufacture of lump calcium sulfate
- Patent number 4,173,610
- Issue date Nov 6, 1979
- Gebr. Knauf Westdeutsche Gipswerke
- Rolf Huller
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES