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发明名称
摘要
申请公布号
JPH0633759(Y2)
申请公布日期
1994.08.31
申请号
JP19860179694U
申请日期
1986.11.25
申请人
发明人
分类号
H04R9/02;H04R7/12;H04R7/22;H04R9/04;(IPC1-7):H04R9/04
主分类号
H04R9/02
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