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经营范围
发明名称
Spectrometer
摘要
申请公布号
US2330694(A)
申请公布日期
1943.09.28
申请号
US19410392710
申请日期
1941.05.09
申请人
SPENCER LENS COMPANY
发明人
ESTEY ROGER S.;HARPER KENNARD W.
分类号
G01J3/14
主分类号
G01J3/14
代理机构
代理人
主权项
地址
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