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经营范围
发明名称
OPTICAL RECORDER.
摘要
申请公布号
EP0431185(B1)
申请公布日期
1995.07.26
申请号
EP19900909365
申请日期
1990.06.13
申请人
SONY CORPORATION
发明人
OGAWA, HIROSHI
分类号
G11B7/00;G11B7/004;G11B7/0045;G11B7/125;(IPC1-7):G11B7/125;G11B7/09
主分类号
G11B7/00
代理机构
代理人
主权项
地址
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