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发明名称
OPTICAL INFORMATION RECORDING AND REPRODUCING DEVICE
摘要
申请公布号
JPH02198061(A)
申请公布日期
1990.08.06
申请号
JP19890016313
申请日期
1989.01.27
申请人
NEC ENG LTD
发明人
YAMAGUCHI YOSHIAKI
分类号
G11B20/10;G11B7/00;G11B7/005;G11B19/02;G11B19/28
主分类号
G11B20/10
代理机构
代理人
主权项
地址
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