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Individual
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Individual
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Priority to ES272111ApriorityCriticalpatent/ES272111A1/en
Publication of ES272111A1publicationCriticalpatent/ES272111A1/en
Improvements in the paraphragm buttons of the class that comprise a sliding part that governs a tilting butterfly with the pulsating needle, characterized in that the tilting butterfly is installed rotating on an axis which in turn is fixed at its ends between the bridges, the anterior arm is made with a special profile so that in its contacts with the sliding part it offers the maximum surface and its own weight facilitates the descent of the needle or pulsing fork that is fixed on said butterfly. (Machine-translation by Google Translate, not legally binding)
ES272111A1961-11-171961-11-17Improvements in the paratrams pulsators (Machine-translation by Google Translate, not legally binding)
ExpiredES272111A1
(en)