Near-bit axial hydraulic vibration impactor

The near-bit axial hydraulic vibration impactor comprises a machining cover, the machining cover is provided with a containing opening, the side, located on the containing opening, of the machining cover is connected with a protective door in a sliding mode, a fixing mechanism is installed in the ma...

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Bibliographische Detailangaben
1. Verfasser: PAN XICONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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