Inspection well cover opening device

The utility model discloses an inspection well cover opening device which comprises a support, a screw rod at the left end of the support, a pull rod at the right end of the support, and a bottom foot at the lower end of the support. The inspection well cover opening device is characterized in that...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG JIANDANG, DING WEISONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	HAULING HOISTING HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD LIFTING PERFORMING OPERATIONS TRANSPORTING
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