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经营范围
发明名称
UN APARATO REVELADOR ELECTROMAGNÉTICO
摘要
申请公布号
ES186109(A1)
申请公布日期
1949.02.16
申请号
ES19090001861
申请日期
1948.11.19
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
分类号
(IPC1-7):H01
主分类号
(IPC1-7):H01
代理机构
代理人
主权项
地址
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