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发明名称
摘要
申请公布号
JP2765910(B2)
申请公布日期
1998.06.18
申请号
JP19890017656
申请日期
1989.01.30
申请人
HITACHI SEISAKUSHO KK;HITACHI GAZO JOHO SHISUTEMU KK
发明人
ITO TETSUO;TAKEDA HIDEKAZU;IWAKURA MASAO;MASUOKA NOBUO;OSADA TOSHIO
分类号
G11B5/52;G11B5/02;G11B5/53;G11B15/61;(IPC1-7):G11B5/52
主分类号
G11B5/52
代理机构
代理人
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