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Application filedfiledCritical
Priority to JP1986149583UpriorityCriticalpatent/JPH0448860Y2/ja
Priority to US07/100,524prioritypatent/US4822650A/en
Priority to CA000548131Aprioritypatent/CA1281898C/en
Priority to KR2019870016567Uprioritypatent/KR930001190Y1/ko
Priority to DE8787308654Tprioritypatent/DE3775509D1/de
Priority to EP19870308654prioritypatent/EP0262946B1/en
Publication of JPS6358681UpublicationCriticalpatent/JPS6358681U/ja
Application grantedgrantedCritical
Publication of JPH0448860Y2publicationCriticalpatent/JPH0448860Y2/ja
