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Priority to ES0279911ApriorityCriticalpatent/ES279911A1/en
Publication of ES279911A1publicationCriticalpatent/ES279911A1/en
Improvements in internal combustión and combustión engines, characterized in that a double-headed piston is superimposed, in which effect a deep peripheral channel whose lower wall is flat is near its upper base. (Machine-translation by Google Translate, not legally binding)
ES0279911A1962-08-081962-08-08Improvements in explosion and internal combustión engines (Machine-translation by Google Translate, not legally binding)
ExpiredES279911A1
(en)
Improvements in the construction of radial expansors for piston segments using these radial expansors (Machine-translation by Google Translate, not legally binding)