Photovoltaic device for roof
The photovoltaic device comprises a bungalow roof, a photovoltaic assembly is arranged on the bungalow roof, the photovoltaic assembly comprises a fixed cavity, a movable cavity, a supporting frame and a connecting rod, the fixed cavity and the movable cavity are oppositely arranged on one side of t...
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Format: | Patent |
Sprache: | chi ; eng |
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