Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP61188578Aexternal-prioritypatent/JPS6346276A/en
Priority claimed from JP61217227Aexternal-prioritypatent/JPS6372587A/en
Priority claimed from JP61217226Aexternal-prioritypatent/JPS6372586A/en
Application filed by Canon KkfiledCriticalCanon Kk
Priority to SG124393ApriorityCriticalpatent/SG124393G/en
Publication of SG124393GpublicationCriticalpatent/SG124393G/en