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 JP14916493Aexternal-prioritypatent/JP3262410B2/ja
Application filed by Canon Kabushiki KaishafiledCriticalCanon Kabushiki Kaisha
Publication of HK1011645A1publicationCriticalpatent/HK1011645A1/zh
Publication of HK1011645BpublicationCriticalpatent/HK1011645B/zh