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Priority to JP17411784UpriorityCriticalpatent/JPS6240219Y2/ja
Priority to CA000483119Aprioritypatent/CA1266037A/en
Priority to FI852283Aprioritypatent/FI81187C/fi
Priority to SU853926392Aprioritypatent/SU1540663A3/ru
Publication of JPS6189558UpublicationCriticalpatent/JPS6189558U/ja
Application grantedgrantedCritical
Publication of JPS6240219Y2publicationCriticalpatent/JPS6240219Y2/ja