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Priority to ES0056139UpriorityCriticalpatent/ES56139Y/en
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Publication of ES56139YpublicationCriticalpatent/ES56139Y/en
Improved extensible staple which is characterized by being formed by two metal pieces, coupled together by superposition and interlocking one on the other, for which both have a semi-cylindrical central area prolonged by two flat sides located parallel to each other and with sufficient separation so that both parts are elastically coupled, by the pinching effect of the sides of one piece on top of the other, this coupling being carried out in various positions in which the semi-cylindrical areas are more or less spaced from each other. (Machine-translation by Google Translate, not legally binding)