USBM / RI-7692
PERCUSSIVE DRILLING WITH INDEPENDENT ROTATION
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.- U. S. Dept. Of The Interior, Bureau Of Mines, [S. L.], 1972
.- 21 .
Bound With Usbm Ri-7679-7690,7693-7698,Lack No. 7686-87,89,91,97
Copy Details:
Acc. No.: TR14584, Full Call No.: USBM RI-7692, Item type: Technical Report , Location: General Stacks,
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