首页>
外国专利>
manufacture of chlorine free carbonate by treatment of bleichlorid with kohlensaeure in the presence of alkali. for the extraction of lead from ores, aufbereitungsprodukten, rueckstaenden 2)
manufacture of chlorine free carbonate by treatment of bleichlorid with kohlensaeure in the presence of alkali. for the extraction of lead from ores, aufbereitungsprodukten, rueckstaenden 2)