gyratory бутлуурын дизайны талаархи бодол
gyratory бутлуурын дизайны талаархи бодол Bischofite: Mineral information, data and localities. For Karl Gustav Bischof (), German geologist and mineral chemist, Professor of Chemistry in the University of Bonn, Bonn, Germany, and for F. Bischof, director of the Stassfurt salt works