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Individual
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Individual
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Priority to ES215422ApriorityCriticalpatent/ES215422A1/en
Publication of ES215422A1publicationCriticalpatent/ES215422A1/en
Improvement in the safety mechanism of the plows which essentially consists of a trigger that holds a nail of the body of the plow and is arranged on the upper part thereof, oscillating in a transverse pivot of the support or frame of the plow retained in its position of interlock by an extension spring acting on the upper prolongation of the trigger. (Machine-translation by Google Translate, not legally binding)
ES215422A1954-05-191954-05-19A perfection in the security mechanism in the pedes (Machine-translation by Google Translate, not legally binding)
ExpiredES215422A1
(en)