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发明名称
摘要
申请公布号
JPS56108688(U)
申请公布日期
1981.08.22
申请号
JP19800006157U
申请日期
1980.01.21
申请人
发明人
分类号
H04R7/04;H04R1/28;(IPC1-7):H04R7/04
主分类号
H04R7/04
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