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发明名称
OPTICAL INFORMATION RECORDING AND REPRODUCING DEVICE
摘要
申请公布号
JPH01102747(A)
申请公布日期
1989.04.20
申请号
JP19870260119
申请日期
1987.10.15
申请人
NEC CORP
发明人
HARADA TOSHIHISA
分类号
G11B7/09
主分类号
G11B7/09
代理机构
代理人
主权项
地址
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