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Priority claimed from JP59010503Aexternal-prioritypatent/JPS60156046A/en
Priority claimed from JP1050484Aexternal-prioritypatent/JPS60156047A/en
Priority claimed from JP26366284Aexternal-prioritypatent/JPS61140924A/en
Priority claimed from JP27235784Aexternal-prioritypatent/JPS61149933A/en
Priority claimed from GB8501718Aexternal-prioritypatent/GB2156131B/en
Application filed by Canon KkfiledCriticalCanon Kk
Publication of SG56091GpublicationCriticalpatent/SG56091G/en