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Priority claimed from JP4461171Aexternal-prioritypatent/JPS526630B1/ja
Priority claimed from DK276072Aexternal-prioritypatent/DK151279C/da
Application filed by Canon KkfiledCriticalCanon Kk
Publication of DK137476BpublicationCriticalpatent/DK137476B/da
Application grantedgrantedCritical
Publication of DK137476CpublicationCriticalpatent/DK137476C/da