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经营范围
发明名称
Improvements in radioactive metallic foil products
摘要
申请公布号
GB642072(A)
申请公布日期
1950.08.23
申请号
GB19480021427
申请日期
1948.08.13
申请人
UNITED STATES RADIUM CORPORATION
发明人
分类号
G21G4/06
主分类号
G21G4/06
代理机构
代理人
主权项
地址
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