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Priority to ES1977232638UpriorityCriticalpatent/ES232638Y/es
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ES1977232638U1977-12-121977-12-12Aparato para mejorar el rendimiento de los motores de explo-sion y reduccion del dioxido de carbono.
ExpiredES232638Y
(es)
Procedimiento para preparar derivados de ciclopentenopiridina-,tetrahidroquinolin-y cicloheptenopiridina-tiocarboxamidas,y sustancias intermedias obtenidas durante el mismo