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Individual
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Individual
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Priority to ES0041449UpriorityCriticalpatent/ES41449U/en
Publication of ES41449UpublicationCriticalpatent/ES41449U/en
A helical pin, characterized in that the line of union between the bushes thereof is inclined, thus making one of the pins rotate on the other, opening or closing, gain or lose height, respectively, tending, consequently , to recover its primitive position, when open and at its greatest height, is subject to any force. (Machine-translation by Google Translate, not legally binding)
ES0041449U1954-04-091954-04-09A helical pin (Machine-translation by Google Translate, not legally binding)
PendingES41449U
(en)