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经营范围
发明名称
Electromagnetic circuits and apparatus
摘要
申请公布号
US1757710(A)
申请公布日期
1930.05.06
申请号
US19260155513
申请日期
1926.12.17
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
FONDILLER WILLIAM
分类号
H01F1/147
主分类号
H01F1/147
代理机构
代理人
主权项
地址
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