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经营范围
发明名称
VIBRATION PLATE FOR SOUND TRANSDUCER
摘要
申请公布号
JPS53116820(A)
申请公布日期
1978.10.12
申请号
JP19770031126
申请日期
1977.03.23
申请人
PIONEER ELECTRONIC CORP
发明人
OKADA KENZOU;TAKAGI KAZUNORI
分类号
H04R7/02
主分类号
H04R7/02
代理机构
代理人
主权项
地址
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