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发明名称
Photometer
摘要
申请公布号
US2335621(A)
申请公布日期
1943.11.30
申请号
US19410394857
申请日期
1941.05.23
申请人
RADIO CORPORATION OF AMERICA
发明人
THOMPSON WALTER S.;ALBIN FREDERICK G.
分类号
G01J1/42
主分类号
G01J1/42
代理机构
代理人
主权项
地址
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