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发明名称
QUARTZ FILM THICKNESS DETECTOR
摘要
申请公布号
JPH04168311(A)
申请公布日期
1992.06.16
申请号
JP19900294986
申请日期
1990.10.31
申请人
NEC CORP
发明人
TOMIOKA TAKATADA
分类号
G01B17/02
主分类号
G01B17/02
代理机构
代理人
主权项
地址
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