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Priority to ES1970160337UpriorityCriticalpatent/ES160337Y/en
Publication of ES160337UpublicationCriticalpatent/ES160337U/en
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Publication of ES160337YpublicationCriticalpatent/ES160337Y/en
Apparatus for swimming, consisting essentially of a frame of appropriate shape and dimensions on which is mounted in sliding position a footboard for the support of the feet of the user, in whose stirrup are articulated two plates, forming a dihedral susceptible to opening in the opposite direction to the one of the march and elastically requested towards the user's feet, whose footboard has limited its stroke by means of appropriate stops. (Machine-translation by Google Translate, not legally binding)
ES1970160337U1970-06-301970-06-30
APPARATUS FOR SWIMMING.
ExpiredES160337Y
(en)
Improvements introduced in the object of the main patent num. 420.250, granted 12-9-75, by: improvements in the carrier-vehicle trailers. (Machine-translation by Google Translate, not legally binding)