Ground-attaching punching device

The utility model discloses a ground-attaching punching device which comprises a frame, a bench drill body and a bench drill installation frame, the frame comprises four sliding rods, namely two upper sliding rods and two lower sliding rods, and the two upper sliding rods are the first upper sliding...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HU ZHILONG, HE PENGWEI, BAI KE, LI CHENHAO, WANG QIANWEI, ZHUANG XIAOJIAN, WEN LINTAO, LIU HAIWU, SHAN RONGHUI, CAO SHAOHENG, LI SHUPING, YANG XIAOPENG
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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