Possibilities and limitations of rotary drilling in hard rock
Main Author: | |
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Published: |
University of Sheffield
1955
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Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.679230 |
Main Author: | |
---|---|
Published: |
University of Sheffield
1955
|
Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.679230 |