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Priority to ES0273793ApriorityCriticalpatent/ES273793A1/en
Publication of ES273793A1publicationCriticalpatent/ES273793A1/en
Four-stroke, double expansion and 6 rotary piston engines. (Machine-translation by Google Translate, not legally binding)
ES0273793A1962-01-171962-01-17Improvements in the manufacture of blinds for blinds (Machine-translation by Google Translate, not legally binding)
ExpiredES273793A1
(en)
A procedure for the preparation of a 1,2 alpha-methylen -6,7 alpha-dihalometilen-20-espirox-4-eno 3-oxygenate. (Machine-translation by Google Translate, not legally binding)