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发明名称
DEFECT DETECTION METHOD AND DEVICE FOR OPTICALDISK
摘要
申请公布号
JPH05149887(A)
申请公布日期
1993.06.15
申请号
JP19910342206
申请日期
1991.11.30
申请人
NEC CORP
发明人
YAMADA YOSHIAKI
分类号
G01B11/30;G01N21/88;G01N21/94;G01N21/95;G11B7/00;G11B7/004;G11B23/00
主分类号
G01B11/30
代理机构
代理人
主权项
地址
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