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发明名称
Radio apparatus
摘要
申请公布号
US1929939(A)
申请公布日期
1933.10.10
申请号
US19310558045
申请日期
1931.08.19
申请人
WIRED RADIO, INC.
发明人
TROGNER ARTHUR M.
分类号
H03J1/06
主分类号
H03J1/06
代理机构
代理人
主权项
地址
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