denver ball mill 1 kg
Patent US Ball mill grates Google Patents. 30, 1960 J P WALES BALL MILL GRATES 2 SheetsSheet 1 Filed Sept, 5 BY ATTORNEYS BALL MILL GRATES Jess P Wales, Denver, Colo, assignor to Mine and Smelter Supply Company,, US *, Jan 24, 1977, May 16, 1978, Loesche HartzerkleinerungsUnd Zementmaschinen Co Kg, Tube mill. Contact ...