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发明名称
摘要
申请公布号
JPS52112706(U)
申请公布日期
1977.08.26
申请号
JP19760019154U
申请日期
1976.02.20
申请人
发明人
分类号
H04B1/20;H02H7/20;H04B1/16;(IPC1-7):H02H7/20
主分类号
H04B1/20
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代理人
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