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Priority to ES123681UpriorityCriticalpatent/ES123681Y/en
Publication of ES123681UpublicationCriticalpatent/ES123681U/en
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Publication of ES123681YpublicationCriticalpatent/ES123681Y/en
Piston perfected for engines of explosion characterized by being a piston in which takes one or several boxes for the housing of spiral segments. (Machine-translation by Google Translate, not legally binding)
ES123681U1965-12-241965-12-24
PERFECTED PISTON FOR EXPLOSION ENGINES.
ExpiredES123681Y
(en)