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Wienstroer; Stefan
Hamm, DE
No. of patents:

Patent Number Title Of Patent Date Issued
8025727 Agglomerated stone for using in shaft, corex or blast furnaces, method for producing agglomerate September 27, 2011
In order to also be able to economically use iron ore dust which is created by the extraction and preparation of iron ore and has not been usable until now, the invention proposes an agglomerated stone comprising (in wt. %) 6-15% of a cement binding agent, up to 20% of a carbon carri

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