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发明名称
Photometric device having optionally selective response to light on two photoresistive cells
摘要
申请公布号
US3286097(A)
申请公布日期
1966.11.15
申请号
US19630322098
申请日期
1963.11.07
申请人
NORWOOD DONALD W
发明人
NORWOOD DONALD W.
分类号
G01J1/16
主分类号
G01J1/16
代理机构
代理人
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