1 edition of Percussive drilling with independent rotation. by Harold F. Unger and Robert R. Fumanti. found in the catalog.
Percussive drilling with independent rotation. by Harold F. Unger and Robert R. Fumanti.
|The Physical Object|
|Number of Pages||21|
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Additional Physical Format: Online version: Unger, Harold F. Percussive drilling with independent rotation. [Washington, D.C.]: U.S. Dept.
of Interior, Bureau of. Water Well Drilling Advisory Committee, Ohio Well Drillers Association, and Ohio. Percussive drilling with independent rotation / ([Washington, D.C.]: ), by Harold F.
Unger, Robert R. Fumanti, and United States. Bureau of Mines (page images at HathiTrust) Comparison of rotary and in-hole motor techniques for drilling horizontal.
Drilling and boring machinery; Used for: Broaches (Machinery) Filed under: Broaching machines. Manual of broaching. ([Detroit, ]), by Detroit broach company (page images at HathiTrust) Broaches and broaching. (New York, N.Y., Broaching tool institute, [c]), by William Wilson Burden and New York Broaching tool institute (page images at.