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Perfeccionamientos en colectores planos para energía solar, con por lo menos un espacio hueco para un medio a calentar, que en un lado está dotado de una capa que absorbe la energía solar y en el otro lado está dotado de un aislamiento térmico, caracterizados porque la capa absorbente presenta por lo menos una chapa perfilada la cual está perfilada sólo en una dirección.
ES476939A1979-01-171979-01-17Perfeccionamientos en colectores planos para energia solar.
ExpiredES476939A1
(es)