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发明名称
摘要
申请公布号
JPS6041027(Y2)
申请公布日期
1985.12.12
申请号
JP19770130782U
申请日期
1977.09.30
申请人
发明人
分类号
H04R1/02;G11B31/00;H04R1/00;(IPC1-7):G11B31/00
主分类号
H04R1/02
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代理人
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