Hans Wagner

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Maintal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of water containing carbon black prepara...
- Patent number 4,366,139
- Issue date Dec 28, 1982
- Degussa Aktiengesellschaft
- Gerhard Kuhner
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES