MACHINE FOR UNDERWATER DRILLING
Machine for underwater drilling has plate, guide frame, movable engine, rotatable drill pipe, floater that is rigidly fixed in the upper part of guide frame.
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Format: | Patent |
Sprache: | eng |
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Online-Zugang: | Volltext bestellen |
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Zusammenfassung: | Machine for underwater drilling has plate, guide frame, movable engine, rotatable drill pipe, floater that is rigidly fixed in the upper part of guide frame. |
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