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Percussion Drilling - Optimizing drill system economy using energy efficient concepts
Percussion Drilling - Optimizing drill system economy using energy efficient concepts
Percussion Drilling - Optimizing drill system economy using energy efficient concepts
1994
Aufsatz (Zeitschrift)
Englisch
Estimation of soil resistance using rotary percussion drill
British Library Conference Proceedings | 1998
|Percussion Hammer Method of Drilling
Online Contents | 1994