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发明名称
FILM THICKNESS GAUGE
摘要
申请公布号
HK73490(A)
申请公布日期
1990.09.21
申请号
HK19900000734
申请日期
1990.09.13
申请人
SEIKO INSTRUMENTS INC.
发明人
TOSHIYUKI KOGA
分类号
G01B15/02;(IPC1-7):G01B15/02
主分类号
G01B15/02
代理机构
代理人
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地址
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