صنایع معدن در تانزانیا. ... Iran Exhibitions [نمایشگاه بین المللی صنعت معدن تانزانیا 2017] Minexpo Tanzania is a 3 day event being held from 10th August to 12th August 2017 at the Mlimani Conference Center in Dar es Salaam, Tanzania This event showcases products like The event will satisfy ...