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öÅÌÅÚÎÙÊ ÛÒÏÔ üÌÅÍÅÎÔ % ÓÏÄÅÒÖÁÎÉÑ Fe 58 - 70 CaO 7,35 - 7,8 Zn 1,8 - 1,98 SiO2 1,37 - 3,8 MgO 2,79 - 5,0 Al22O3 0,18 -...
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posted 21yrs
posted by gordeev
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posted 21yrs
posted by gordeev