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Primary crushing :progress report no. 1
Primary crushing :progress report no. 2
Primary crushing :progress report no. 3
Primary crushing :summary of field tests
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Published Year
1930-1939 (4)
Subject
Ore-dressing (3)
Crushing machinery--Testing (1)
Ore-dressing plants--Equipment and supplies (1)
Quarries and quarrying (1)
Author
Sheppard, Mark. (4) *
Witherow, C. N. (1)
