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Priority to ES0267654ApriorityCriticalpatent/ES267654A3/en
Publication of ES267654A3publicationCriticalpatent/ES267654A3/en
Improvements in the safety valves for pressure cookers, characterized by a central inner stem, whose lower part has a series of circular fins of equal diameter perpendicular to it, which, adjusting, slide with the entire stem inside a cylindrical inner cap , at the upper end of which protrudes the end of the inner stem to which a stop nut is screwed, there being inside the bushing a spring that forces the central stem to remain low. (Machine-translation by Google Translate, not legally binding)
ES0267654A1961-05-241961-05-24Procedures in the safety valves for pressure pots (Machine-translation by Google Translate, not legally binding)
ExpiredES267654A3
(en)
Overpressure valve for hydraulic lifting devices in particular for hydraulic mine stemples (Machine-translation by Google Translate, not legally binding)
A valve of safety applicable to the assembly of the hydraulic apparatus of valves of pressure and discharge. (Machine-translation by Google Translate, not legally binding)