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Panneau solaire 31
Source google image: https://ae01.alicdn.com/kf/HTB1rasgOpXXXXcKXXXXq6xXFXXXY/Fil-souder-de-ruban-de-panneau-solaire-de-31-m-tres-100-pieds-pour-le-bricolage.jpg_640x640.jpg