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发明名称
OPTICAL PICKUP CHARACTERISTIC EVALUATING/TESTING INSTRUMENT
摘要
申请公布号
JPH03260931(A)
申请公布日期
1991.11.20
申请号
JP19900060808
申请日期
1990.03.12
申请人
MITSUBISHI ELECTRIC CORP
发明人
TAKAGI HIROYUKI;TAKEZAWA TAKASHI;OTSUKI SHINJI;TASHIRO FUMIO
分类号
G01R31/00;G11B7/22
主分类号
G01R31/00
代理机构
代理人
主权项
地址
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