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Priority to ES1968135508UpriorityCriticalpatent/ES135508Y/en
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Publication of ES135508YpublicationCriticalpatent/ES135508Y/en
Improved cremona of the type composed of a knob associated with axially moving antagonistic rods lowered the rotation of the first, characterized essentially because it has coupled to the axis of the knob a spring of recovery that tends to maintain permanently distended to said antagonistic rods in its position of closing, so that after the rotation of the knob that causes the opening of the rods, the latter automatically recover their relaxed position acting on their ends on the latches of slip that fix them in closing position. (Machine-translation by Google Translate, not legally binding)