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发明名称
摘要
申请公布号
JPS5513420(B2)
申请公布日期
1980.04.09
申请号
JP19740083465
申请日期
1974.07.19
申请人
发明人
分类号
H04R19/00;H01G7/02
主分类号
H04R19/00
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