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Priority claimed from JP15766484Uexternal-prioritypatent/JPS6171729U/ja
Priority claimed from JP1984168210Uexternal-prioritypatent/JPH0354260Y2/ja
Application filed by Yamazaki KeiichirofiledCriticalYamazaki Keiichiro
Priority claimed from EP85307441Aexternal-prioritypatent/EP0186272B1/en
Application grantedgrantedCritical
Publication of ATE35849T1publicationCriticalpatent/ATE35849T1/en