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发明名称
OPTICAL HEAD
摘要
申请公布号
JPS6332742(A)
申请公布日期
1988.02.12
申请号
JP19860176053
申请日期
1986.07.25
申请人
NEC CORP
发明人
HIKASA MASAFUMI
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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