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.)
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Priority claimed from JP32004292Aexternal-prioritypatent/JP3553098B2/en
Priority claimed from JP32004492Aexternal-prioritypatent/JP3568212B2/en
Priority claimed from JP32004392Aexternal-prioritypatent/JP3678757B2/en
Priority claimed from JP34578092Aexternal-prioritypatent/JP3166365B2/en
Application filed by Sony CorporationfiledCriticalSony Corporation
Publication of HK1006699A1publicationCriticalpatent/HK1006699A1/en
Publication of HK1006699BpublicationCriticalpatent/HK1006699B/en