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ES61403A1915-12-161915-12-16Un procedimiento con su correspondiente dispositivo para el enfriamiento del émbolo en los motores de combustión.
ExpiredES61403A1
(es)
Un procedimiento y su dispositivo correspondiente para poder pasar, en los motores de explosión, de la marcha con esencia ligera, a la marcha con aceites pesados.
Perfeccionamientos introducidos en los acoplamientos, especialmente en los utilizados en los automóviles con motores de explosión, para acoplar en el motor un ventilador de refrigeración.