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Priority claimed from JP457787Uexternal-prioritypatent/JPH0344167Y2/ja
Priority claimed from JP457587Uexternal-prioritypatent/JPH0344165Y2/ja
Application filed by Fukuda Denshi Kk, Riken KkfiledCriticalFukuda Denshi Kk
Priority claimed from EP88100185Aexternal-prioritypatent/EP0276661B1/de
Application grantedgrantedCritical
Publication of ATE91224T1publicationCriticalpatent/ATE91224T1/de