Method and device for driving bore-holes, specially in the sea bed, using a guide tip.
A Standard patent application filed on 25 November 1997 credited to Von Wirth, Hermann-Josef
;
Tibussek, Fritz
Details
Application number :
54768
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
Method and device for driving bore-holes, specially in the sea bed, using a guide tip.