Device is changed to bore hole pump piston rubber ring

The utility model relates to a device is changed to bore hole pump piston rubber ring. Its technical scheme is: mainly form by base, piston tray, side stand, limiting beam, slip frid, piston locatingpiece, Y -type top sword, the spacing axle of piston, the spacing clamp plate of piston and very heav...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI XINYUE, LI JUN, GUO LIANG, LI HAIFENG, WANG JINLIANG, WANG YONG, MING XIAOFENG, YAN YONG, LIU LEI, QIAO HONGXING, JIA HUADONG, LI YANQING, WAN RUIXI, GENG ZHENGHUA, WANG JIANJUN, WANG XINJIA
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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