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发明名称
摘要
申请公布号
JPS578281(Y2)
申请公布日期
1982.02.17
申请号
JP19720107629U
申请日期
1972.09.18
申请人
发明人
分类号
H04R1/10;H04M1/02;H04M1/05;H04R1/08;(IPC1-7):H04M1/02
主分类号
H04R1/10
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