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发明名称
OPTICAL SENSOR DEVICE
摘要
申请公布号
JPH05149786(A)
申请公布日期
1993.06.15
申请号
JP19910336203
申请日期
1991.11.26
申请人
NEC CORP
发明人
ARAGAKI TAKAHIKO
分类号
G01J1/42;G01J1/44;G06K7/10
主分类号
G01J1/42
代理机构
代理人
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地址
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