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经营范围
发明名称
OPTICAL HEAD
摘要
申请公布号
JPS5880139(A)
申请公布日期
1983.05.14
申请号
JP19810176749
申请日期
1981.11.04
申请人
SONY KK
发明人
OOKI YUTAKA;KOJIMA CHIAKI
分类号
G11B7/12;G02B27/16;G11B7/08;G11B7/09;G11B7/135
主分类号
G11B7/12
代理机构
代理人
主权项
地址
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