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system for the production of electrical energy by means of photovoltaic panel that produces voltage is 60 v and 180 v, power equivalent to that undertaken by the public illumunazione and existing infrastructure and is riutilizz
system for the production of electrical energy by means of photovoltaic panel that produces voltage is 60 v and 180 v, power equivalent to that undertaken by the public illumunazione and existing infrastructure and is riutilizz