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Publication date
Application filedfiledCritical
Priority to JP1986090802UpriorityCriticalpatent/JPH0523253Y2/ja
Priority to CA000539352Aprioritypatent/CA1267529A/en
Priority to KR2019870009256Uprioritypatent/KR930001191Y1/ko
Priority to US07/061,700prioritypatent/US4764421A/en
Priority to EP19870305299prioritypatent/EP0249508B1/en
Priority to DE8787305299Tprioritypatent/DE3765851D1/de
Publication of JPS62202370UpublicationCriticalpatent/JPS62202370U/ja
Application grantedgrantedCritical
Publication of JPH0523253Y2publicationCriticalpatent/JPH0523253Y2/ja
