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摘要
申请公布号
BG26928(A1)
申请公布日期
1979.07.12
申请号
BG19780039189
申请日期
1978.03.23
申请人
发明人
分类号
H01Q13/14;H01Q21/22;(IPC1-7):H01Q13/14
主分类号
H01Q13/14
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