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发明名称
摘要
申请公布号
JPS642275(B2)
申请公布日期
1989.01.17
申请号
JP19830029322
申请日期
1983.02.25
申请人
HITACHI LTD
发明人
FURUHATA TAKASHI;NAKAMA YASUHEI;MASUDA YOSHINORI
分类号
G11B20/02;G11B5/027;G11B15/14;H04N5/783;H04N5/93
主分类号
G11B20/02
代理机构
代理人
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