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公开(公告)号:FR2481038B1
公开(公告)日:1987-01-30
申请号:FR8107716
申请日:1981-04-16
Applicant: SONY CORP
Inventor: MASHIMOTO YOSHITAKA , YAMAMOTO KAICHI , SHIROTA NORIHISA
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公开(公告)号:FR2481038A1
公开(公告)日:1981-10-23
申请号:FR8107716
申请日:1981-04-16
Applicant: SONY CORP
Inventor: MASHIMOTO YOSHITAKA , YAMAMOTO KAICHI , SHIROTA NORIHISA
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