Yazar
t o llewellyn
6 cilt bulundu.
Cilt sonuçları
Germanium
T. O. Llewellyn · U.S. Department of the Interior, Bureau of Mines
Sayfa sayısı yok · 1991
Germanium / Statistics / Periodicals
Antimony
T. O. Llewellyn · U.S. Department of the Interior, Bureau of Mines
Sayfa sayısı yok · 1991
Antimony industry / Periodicals / Statistics / Antimony / Antimony mines and mining
Recovery of rutile from a porphyry copper tailings sample
T. O. Llewellyn · U.S. Dept. of the Interior, Bureau of Mines
18 sayfa · 1980
Copper ores / Rutile / Tailings (Metallurgy) / Tailings (metallurgy)
Beneficiation of high-magnesium phosphate from southern Florida
T. O. Llewellyn · U.S. Dept. of the Interior, Bureau of Mines
16 sayfa · 1982
Flotation / Magnesium phosphate / Phosphates