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摘要
申请公布号
JPS53166628(U)
申请公布日期
1978.12.27
申请号
JP19770071902U
申请日期
1977.06.02
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发明人
分类号
H04R1/02;(IPC1-7):H04R1/02
主分类号
H04R1/02
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