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发明名称
Photometer
摘要
申请公布号
US2209815(A)
申请公布日期
1940.07.30
申请号
US19380246390
申请日期
1938.12.17
申请人
GENERAL ELECTRIC COMPANY
发明人
GOSS JAMES H.;MCCUNE FRANCIS K.
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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