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Priority claimed from JP59027844Aexternal-prioritypatent/JPS60171960A/en
Priority claimed from JP59027842Aexternal-prioritypatent/JPS60171959A/en
Application filed by Toshinobu FutagawafiledCriticalToshinobu Futagawa
Priority claimed from EP85300960Aexternal-prioritypatent/EP0155085B1/en
Application grantedgrantedCritical
Publication of ATE49666T1publicationCriticalpatent/ATE49666T1/en