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经营范围
发明名称
摘要
申请公布号
JPS6285093(U)
申请公布日期
1987.05.30
申请号
JP19850177060U
申请日期
1985.11.18
申请人
发明人
分类号
H04R7/22;(IPC1-7):H04R7/22
主分类号
H04R7/22
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代理人
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