熱門搜尋
您輸入的關鍵字: Küstel
搜尋結果共 12 筆, 頁數 1 / 1
呈現:
This is a detailed guide to the process of ore concentration. The book covers a range of techniques,... more
This work has been selected by scholars as being culturally important, and is part of the knowledge ... more
, arseniurets, and gold and silver ores generally This book, "A treatise on concentration of all kinds of ores", by Guido Küstel, is...... more