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发明名称
Communication by electromagnetic waves
摘要
申请公布号
US1827054(A)
申请公布日期
1931.10.13
申请号
US19260142453
申请日期
1926.10.18
申请人
GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
ARCO GEORG VON
分类号
H04B7/10
主分类号
H04B7/10
代理机构
代理人
主权项
地址
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