Connecting rod floating ball liquid level switch device of tunnel drainage system

The utility model relates to the technical field of sewage discharge, in particular to a connecting rod floating ball liquid level switch device of a tunnel drainage system. Comprising a water tank and a supporting frame arranged in the water tank, a junction box is arranged at the top of the suppor...

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Bibliographische Detailangaben
Hauptverfasser:	WANG NAN, LI YANLE, QIAO JIANYONG, KOU ZHIPENG, QIAO PENGFEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING CLEANING CLEANING IN GENERAL EARTH DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PREVENTION OF FOULING IN GENERAL PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS TRANSPORTING WEAPONS
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