Drainage valve for solar energy water heater

The utility model relates to an evacuation valve used for the solar water heater, and pertains to the solar water heater fittings. One end of the valve is connected with one end of the piston cylinder, and on the outside end of the piston cylinder is arranged a water control connector. The piston in...

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Bibliographische Detailangaben
1. Verfasser: YUQUN,TANG TANG
Format: Patent
Sprache:eng
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