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发明名称
摘要
申请公布号
SU427483(A1)
申请公布日期
1974.05.05
申请号
SU19721756648
申请日期
1972.03.06
申请人
发明人
分类号
H04B3/04;(IPC1-7):H04B3/04
主分类号
H04B3/04
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代理人
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