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Application filedfiledCritical
Priority to JP1985179735UpriorityCriticalpatent/JPH0355497Y2/ja
Priority to CA000518263Aprioritypatent/CA1265477A/en
Publication of JPS6286276UpublicationCriticalpatent/JPS6286276U/ja
Priority to US07/188,764prioritypatent/US4836738A/en
Application grantedgrantedCritical
Publication of JPH0355497Y2publicationCriticalpatent/JPH0355497Y2/ja
