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Priority to JP1985174622UpriorityCriticalpatent/JPH0221005Y2/ja
Priority to CA000507075Aprioritypatent/CA1263568A/en
Priority to US06/860,224prioritypatent/US4688501A/en
Priority to PT82525Aprioritypatent/PT82525A/pt
Priority to NO86861796Aprioritypatent/NO165304C/no
Priority to CN86105907Aprioritypatent/CN1009378B/zh
Publication of JPS6293980UpublicationCriticalpatent/JPS6293980U/ja
Application grantedgrantedCritical
Publication of JPH0221005Y2publicationCriticalpatent/JPH0221005Y2/ja