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经营范围
发明名称
OPTICAL DISC UNIT
摘要
申请公布号
JPH04172629(A)
申请公布日期
1992.06.19
申请号
JP19900299391
申请日期
1990.11.05
申请人
NEC GUMMA LTD
发明人
ICHIKAWA SHIRO
分类号
G11B7/12;G11B7/14
主分类号
G11B7/12
代理机构
代理人
主权项
地址
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