Ernst Rottenmanner

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for charging a shaft furnace for burning carbonaceous mat...
- Patent number 4,708,643
- Issue date Nov 24, 1987
- Voest-Alpine Aktiengesellschaft
- Michael Nagl
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES