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Priority to ES276142ApriorityCriticalpatent/ES276142A1/en
Publication of ES276142A1publicationCriticalpatent/ES276142A1/en
Improvements in mechanical-hydraulic parallel screws characterized, because the support that makes the threaded spindle nut, is independent of the cylinder of double oil pressure chamber. (Machine-translation by Google Translate, not legally binding)
ES276142A1962-04-031962-04-03Improvements in mechanical-hydraulic parallel screws (Machine-translation by Google Translate, not legally binding)
ExpiredES276142A1
(en)
Group of axis and two wheels of railway, with separation variable simultaneous of both wheels. (Machine-translation by Google Translate, not legally binding)