Automatic drainage device for cable manhole

The utility model discloses an automatic drainage device for a cable hand well hole. A well lid (2) covers the hand well hole (101); an annular groove (2.1) is formed in the top face of the well lid body (2), an annular solar cell panel (3) is embedded in the annular groove (2.1), a charging and dis...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	QIAN YAN, GAO FEIHU, SHENG JIALI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CESSPOOLS FIXED CONSTRUCTIONS SEWERAGE SEWERS WATER SUPPLY
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