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发明名称
摘要
申请公布号
JPS5482622(U)
申请公布日期
1979.06.12
申请号
JP19770157321U
申请日期
1977.11.22
申请人
发明人
分类号
H04R1/10;(IPC1-7):H04R1/10
主分类号
H04R1/10
代理机构
代理人
主权项
地址
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