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发明名称
Illuminating device
摘要
申请公布号
US1963962(A)
申请公布日期
1934.06.26
申请号
US19310541391
申请日期
1931.06.01
申请人
FEDERAL ELECTRIC COMPANY
发明人
BARCLAY ROBERT E.
分类号
H01J61/30
主分类号
H01J61/30
代理机构
代理人
主权项
地址
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