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发明名称
Perfectionnements à la mesure des radiations et aux appareils indicateurs
摘要
申请公布号
FR686944(A)
申请公布日期
1930.08.01
申请号
FRD686944
申请日期
1929.12.19
申请人
WESTINGHOUSE LAMP COMPANY
发明人
分类号
G01J1/46
主分类号
G01J1/46
代理机构
代理人
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