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Priority claimed from JP11278881Aexternal-prioritypatent/JPS5813908A/en
Priority claimed from JP11278781Aexternal-prioritypatent/JPS5813909A/en
Priority claimed from JP21407181Aexternal-prioritypatent/JPS58108309A/en
Application filed by Toyotomi Kogyo Co LtdfiledCriticalToyotomi Kogyo Co Ltd
Priority claimed from EP82303520Aexternal-prioritypatent/EP0072616B1/en
Application grantedgrantedCritical
Publication of ATE16216T1publicationCriticalpatent/ATE16216T1/en