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Test operation of a pneumatic vibrating-blade planer in phosphate and coal :a progress report on planer-mining research, 1958-60
Test operation of a pneumatic vibrating-blade planer :a progress report on phosphate mining research
Design and development of a lightweight recoverable hydraulic prop
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Published Year
1960-1969 (3) *
Subject
Mining engineering (2)
Phosphate mines and mining (2)
Coal mines and mining (1)
Author
Anderson, Webster S. (3) *
