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MARCOS SANZ FRANCISCO
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MARCOS SANZ FRANCISCO
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Application filed by MARCOS SANZ FRANCISCOfiledCriticalMARCOS SANZ FRANCISCO
Priority to ES99720UpriorityCriticalpatent/ES99720U/es
Publication of ES99720UpublicationCriticalpatent/ES99720U/es
Por pernos perfeccionados, caracterizados por que su espiga está formada por dos brazos, de forma que al introducción en el orificio se abre, y además uno de ellos está más alargado que el otro y el vástago inferior, sale por el orificio del superior, en proporción a una cuarta parte de cada brazo.