Auxiliary device for accurate butt joint of hydraulic engineering pipelines

The utility model relates to the technical field of water conservancy project pipeline accurate butt joint, in particular to an auxiliary device for water conservancy project pipeline accurate butt joint, which comprises a base, a groove I arranged on the surface of the base, a telescopic sleeve ins...

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Bibliographische Detailangaben
Hauptverfasser:	LIU LEWEI, LOU HANGYU, KANG YONGFENG, QIN HONGJUN, YANG YANZHAO
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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