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Priority claimed from JP55136449Aexternal-prioritypatent/JPS5759894A/ja
Priority claimed from JP5523181Aexternal-prioritypatent/JPS57169489A/ja
Priority claimed from JP8911681Aexternal-prioritypatent/JPS57206687A/ja
Priority claimed from US06/304,988external-prioritypatent/US4486425A/en
Application filed by Sankyo CofiledCriticalSankyo Co
Publication of MX9203566ApublicationCriticalpatent/MX9203566A/es
Publication of MX174340BpublicationCriticalpatent/MX174340B/es