Solar energy water heater

The utility model discloses a solar water heater, which mainly composed of a heat-insulating water tank, a vacuum heat collecting tubes, etc. The bottom of the water box is provided with electric heating elements, so that an electric heating apparatus can be used for heating water in the water box i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: NINGJUN YANG
Format: Patent
Sprache:eng
Schlagworte:
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