Equipment For Dry Grinding And Drying Of Phosphate Rock (170 T/H, 1.3 Mln Tons Per Year) Of The Kok-Jon And Gimmelfarbskoye Deposits In Sarysu District Of Zhambyl Region On The "Ep" Terms Equipment For Dry Grinding And Drying Of Phosphate Rock (170 T/H, 1.3 Mln Tons Per Year) Of The Kok-Jon And Gimmelfarbskoye Deposits In Sarysu District Of Zhambyl Region On The "Ep" Terms