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stanje i perspektive u rudarstvu i odrţivi razvoj mining present state ...

stanje i perspektive u rudarstvu i odrţivi razvoj mining present state ...

stanje i perspektive u rudarstvu i odrţivi razvoj mining present state ...

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Rudarstvo 2011 / Mining 2011Nazi v uzor kaSadrţaj komponente,%(klasa krupoće) CaO MgO Fe 2 O 3 SiO 2 Al 2 O 3 K 2 O Na 2 O T i O 2 G ŢRovni pijesak 0,050 0,020 0,047 98,09 1,21 0,077 0,0076

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