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公开(公告)号:JPS52149359A
公开(公告)日:1977-12-12
申请号:JP6618476
申请日:1976-06-07
Applicant: SONY CORP
Inventor: YAMAMOTO KATSUMI , OOSAWA MITSUO
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公开(公告)号:JPS5214873A
公开(公告)日:1977-02-04
申请号:JP9017675
申请日:1975-07-25
Applicant: SONY CORP
Inventor: YAMAMOTO KATSUMI , TAKAHASHI TOSHIO
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公开(公告)号:JPS51109966A
公开(公告)日:1976-09-29
申请号:JP3493275
申请日:1975-03-25
Applicant: SUMITOMO BAKELITE CO , SONY CORP
Inventor: SATAKE KUNIO , YAMAMOTO KATSUMI , TSUCHA NORYUKI , MURANO MOTOHIRO , TAKEDA NAOJI
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