Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Phosphate rock, Pt 1: mining, beneficiation, and marketing
Origin, nature, and composition of phosphate rock; commercial classes of phosphate; world production and reserves; domestic phosphate-rock deposits; mining methods; beneficiation of phosphate rock; prices, exports, and imports; uses of phosphate rock.
Phosphate rock, Pt 1: mining, beneficiation, and marketing
Origin, nature, and composition of phosphate rock; commercial classes of phosphate; world production and reserves; domestic phosphate-rock deposits; mining methods; beneficiation of phosphate rock; prices, exports, and imports; uses of phosphate rock.
Phosphate rock, Pt 1: mining, beneficiation, and marketing
U S Bur Mines -- Information Cir
Ruhlman, E.R. (Autor:in)
1958
33 pages
Report
Englisch
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