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发明名称
Directive transmission of energy
摘要
申请公布号
US1788022(A)
申请公布日期
1931.01.06
申请号
US19250058250
申请日期
1925.09.24
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
HEISING RAYMOND A.
分类号
H01Q11/02;H01Q11/04
主分类号
H01Q11/02
代理机构
代理人
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地址
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