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Individual
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Individual
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Priority to ES0072912UpriorityCriticalpatent/ES72912U/en
Publication of ES72912UpublicationCriticalpatent/ES72912U/en
A diaphragm sensitive to pressure differences, essentially characterized by the fact of being constituted by a circular body of little thickness endowed with concentric annular channels deformable by the pressure variations that occur against said diaphragm duly held by its edge. (Machine-translation by Google Translate, not legally binding)
ES0072912U1959-04-011959-04-01A diaphragm sensitive to pressure differences (Machine-translation by Google Translate, not legally binding)
PendingES72912U
(en)