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Individual
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Individual
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Priority to ES0047031UpriorityCriticalpatent/ES47031Y/en
Publication of ES47031UpublicationCriticalpatent/ES47031U/en
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Publication of ES47031YpublicationCriticalpatent/ES47031Y/en
On-Site Construction Work That Accompanies The Preparation And Application Of Concrete
(AREA)
Abstract
New whistle imitating the song of birds, characterized in that the blowing nozzle is resolved in a narrow mouth of air outlet facing a tongue between them being a stretch in which the minor branch of a strip bent at an angle is interposed another branch has its end fixed in the frame of the whistle. (Machine-translation by Google Translate, not legally binding)
ES0047031U1955-03-141955-03-14
New whistle imitating bird song
ExpiredES47031Y
(en)