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发明名称
摘要
申请公布号
SU552658(A1)
申请公布日期
1977.03.30
申请号
SU19752179413
申请日期
1975.10.02
申请人
发明人
分类号
H01Q1/08;(IPC1-7):H01Q1/08
主分类号
H01Q1/08
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代理人
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地址
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