Yazar
Howard H Heady
2 cilt bulundu.
Cilt sonuçları
Assaying ores, concentrates, and bullion
Howard H Heady · U.S. Dept. of the Interior, Bureau of Mines
24 sayfa · 1976
Ores / Precious metals / Sampling and estimation / Assaying
Yükleniyor
Yükleniyor
Yazar
2 cilt bulundu.
Howard H Heady · U.S. Dept. of the Interior, Bureau of Mines
24 sayfa · 1976
Ores / Precious metals / Sampling and estimation / Assaying