Special wrench suitable for pipeline valves of various models

The utility model discloses a special wrench suitable for various types of pipeline valves, which comprises a first hook arm, a second hook arm, a handle, a locking nut and a connecting screw rod, the first hook arm and the second hook arm are connected through the screw rod, and the position betwee...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG JIAN, LI BINGQIAN, YIN SHENGJUN, WANG YALONG, KANG SHIXIANG, YIN GUANGBIN, YANG TIEGANG, LIU DUOBIN, ZENG XIANGGUANG, WANG HONGBIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	HAND TOOLS MANIPULATORS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING
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