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发明名称
Duplex radio system
摘要
申请公布号
US2498635(A)
申请公布日期
1950.02.28
申请号
US19470749512
申请日期
1947.05.21
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
BAILEY ROBERT S.
分类号
H04B1/46
主分类号
H04B1/46
代理机构
代理人
主权项
地址
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