Integration instrument is salvaged in reaming

The utility model discloses an integration instrument is salvaged in reaming, axially extending bore's tool body is seted up including the center, tool body includes top connection, thread making salvage portion and reamer part that top -down connected gradually, wherein, the external diameter...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI YIQIANG, CHEN LIBIN, CHENG TIANHUI, WANG WEITAO, HE XUANPENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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