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发明名称
摘要
申请公布号
JPS57135149(U)
申请公布日期
1982.08.23
申请号
JP19810022523U
申请日期
1981.02.18
申请人
发明人
分类号
H04B1/16;H04H40/45;(IPC1-7):H04H5/00
主分类号
H04B1/16
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