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发明名称
LIGHT SPOT CONTROL METHOD
摘要
申请公布号
JPH04219632(A)
申请公布日期
1992.08.10
申请号
JP19910079621
申请日期
1991.04.12
申请人
HITACHI LTD
发明人
MAEDA TAKESHI;TAKASAGO MASAHIRO;MIZOGUCHI YASUMITSU;UNO MOTOO
分类号
G11B7/085
主分类号
G11B7/085
代理机构
代理人
主权项
地址
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