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- Lowering the tin content of secondary leaded tin-bronze by replacement with lead or zinc
- Recovery of zinc, copper, and lead-tin mixtures from brass smelter flue dusts
- Recovery of zinc, copper, silver, and iron from zinc smelter residue
- Recovery of zinc and lead from brass smelter dust
- Lead dioxide-plated titanium anode for electrowinning metals from acid solutions
- Electric furnace steelmaking dusts --a zinc raw material
- Cobalt and nickel recovery from Missouri lead belt chalcopyrite concentrates