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经营范围
发明名称
OPTICAL HEAD
摘要
申请公布号
JPH01124119(A)
申请公布日期
1989.05.17
申请号
JP19870282875
申请日期
1987.11.09
申请人
SEIKO EPSON CORP
发明人
KENMOCHI NOBUHIKO
分类号
G11B11/10;G11B7/09;G11B11/105
主分类号
G11B11/10
代理机构
代理人
主权项
地址
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