Yazar
Roy Jed Colony
4 cilt bulundu.
Cilt sonuçları
High-grade silica materials for glass, refractories and abrasives
Roy Jed Colony · The University of the State of New York
29 sayfa · 1919
Glass Sand / Silica / Industrial
The magnetite iron deposits of southeastern New York
Roy Jed Colony · The University of the state of New York
161 sayfa · 1923
Magnetite / Iron ores / Geology

