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经营范围
发明名称
Electrical apparatus
摘要
申请公布号
US2477008(A)
申请公布日期
1949.07.26
申请号
US19450608342
申请日期
1945.08.01
申请人
LEO ROSEN
发明人
ROSEN LEO
分类号
H04B14/04
主分类号
H04B14/04
代理机构
代理人
主权项
地址
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