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Priority to JP1981049419UpriorityCriticalpatent/JPS6336596Y2/ja
Priority to CA000399753Aprioritypatent/CA1162218A/en
Priority to DE8282102842Tprioritypatent/DE3266299D1/de
Priority to EP82102842Aprioritypatent/EP0062332B1/en
Priority to US06/366,046prioritypatent/US4529952A/en
Publication of JPS57161849UpublicationCriticalpatent/JPS57161849U/ja
Application grantedgrantedCritical
Publication of JPS6336596Y2publicationCriticalpatent/JPS6336596Y2/ja