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发明名称
CERAMIC VIBRATION PLATE FOR SPEAKER
摘要
申请公布号
GB8624623(D0)
申请公布日期
1986.11.19
申请号
GB19860024623
申请日期
1986.10.14
申请人
MITSUBISHI DENKI KK
发明人
分类号
H04R7/02;H04R31/00;(IPC1-7):H04R31/00
主分类号
H04R7/02
代理机构
代理人
主权项
地址
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