On the job training manual for drilling crews

· prepared for International Association of Drilling Contractors by G. Otis Danielson ... [et al.] ; compiled by W.I. Hartman
Bok Engelsk 1974


Utgitt	Norman, Okla. : Business and Industrial Services, University of Oklahoma , [1974]
Omfang	85 s.
Utgave	[Rev. ed.]

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