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Individual
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Individual
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Priority to ES0056532UpriorityCriticalpatent/ES56532Y/en
Publication of ES56532UpublicationCriticalpatent/ES56532U/en
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Publication of ES56532YpublicationCriticalpatent/ES56532Y/en
Windmill, sonorous, characterized by being constituted by the classic windmill, to which, and on the same axis, a helix has been added to it that protruding from the grinder, helps it to turn by the action of the wind, and two concentric metallic cups, the outer grooved its periphery in a direction perpendicular to the axis of rotation, which works in a horizontal position. The cups leave a circular space between them, where a metal ball moves freely, which, due to gravity, when the set is turned, jumps between the cups producing a pleasant tinkling in the ear. (Machine-translation by Google Translate, not legally binding)
ES0056532U1956-10-041956-10-04
Sonic pinwheel
ExpiredES56532Y
(en)
Mechanical electrical appliance that alarms denounces the existence in the air of combustible gases (Machine-translation by Google Translate, not legally binding)