- About
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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
Search results
Showing 1 to 1 of 1 (0.136 seconds)Spelling suggestions: "subject:"drag bias (drilling anda boring)"" "subject:"drag bias (drilling ando boring)""
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A study of methods to improve the performance of drag bits used to cut hard rockHood, Michael 06 August 2015 (has links)
A Thesis Submitted to the Faculty of Engineering
University of Witwatersrand, Johannesburg
for the Degree of Doctor of Philosophy.
Johannesburg 1977 / No abstract
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