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发明名称
摘要
申请公布号
JPH0117920(Y2)
申请公布日期
1989.05.24
申请号
JP19830004210U
申请日期
1983.01.18
申请人
发明人
分类号
H04S7/00;(IPC1-7):H04S7/00
主分类号
H04S7/00
代理机构
代理人
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地址
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