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发明名称
摘要
申请公布号
JPS57200905(U)
申请公布日期
1982.12.21
申请号
JP19810088075U
申请日期
1981.06.17
申请人
发明人
分类号
H01Q1/42;(IPC1-7):H01Q1/42
主分类号
H01Q1/42
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