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Priority to JP1985095525UpriorityCriticalpatent/JPH0223814Y2/ja
Priority to CH2522/86Aprioritypatent/CH671609A5/de
Priority to KR1019860005106Aprioritypatent/KR920009660B1/ko
Priority to US06/878,079prioritypatent/US4704997A/en
Publication of JPS623960UpublicationCriticalpatent/JPS623960U/ja
Application grantedgrantedCritical
Publication of JPH0223814Y2publicationCriticalpatent/JPH0223814Y2/ja