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Geoenvironmental - Super sonic - Sonic drill conversion saves time
Geoenvironmental - Super sonic - Sonic drill conversion saves time
Geoenvironmental - Super sonic - Sonic drill conversion saves time
Ground engineering ; 40
2007
Article (Journal)
Unknown
Super sonic Sonic drill conversion saves time
British Library Online Contents | 2007
Super Sonic: Sonic 2000 Prototype
British Library Online Contents | 1998
|Super Sonic - Sonic 2000 Prototype
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|Sonic Drill Tackles Massive Earthfill Dam
Online Contents | 1998