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Priority claimed from JP03278373Aexternal-prioritypatent/JP3135315B2/en
Priority claimed from JP28362791Aexternal-prioritypatent/JP3441742B2/en
Priority claimed from JP03289171Aexternal-prioritypatent/JP3138027B2/en
Priority claimed from JP3289274Aexternal-prioritypatent/JPH05100094A/en
Priority claimed from JP03311836Aexternal-prioritypatent/JP3143505B2/en
Application filed by Canon KkfiledCriticalCanon Kk
Publication of SG50723A1publicationCriticalpatent/SG50723A1/en