Manfred Kupfer

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Dunsen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for the production of more water-resistant foamed elements f...
- Patent number 4,425,291
- Issue date Jan 10, 1984
- Henkel Kommanditgesellschaft auf Aktien
- Gunter Beer
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES