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Esteban Ara Alfonso
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Esteban Ara Alfonso
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Priority to ES105909UpriorityCriticalpatent/ES105909Y/es
Publication of ES105909UpublicationCriticalpatent/ES105909U/es
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Publication of ES105909YpublicationCriticalpatent/ES105909Y/es
Forms Removed On Construction Sites Or Auxiliary Members Thereof
(AREA)
Supports For Plants
(AREA)
Abstract
Un puntal extensible caracterizado esencialmente por comprender la disposición de dos tubos iguales entre sí cuyos extraños superior e inferior respectivamente comportan soportes roscados que permiten el ajuste de un husillo de rosca cuadrada cuya parte central lleva un pitón que por giro establece selectivamente la elevación o descenso del propio puntal el cual por su parte inferior se apoya en una pletina plana y en la superior presenta un soporte perfilado en U.