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发明名称
SUPPORTING TOOL FOR PIEZOELECTRIC SPEAKER
摘要
申请公布号
JPH03102998(A)
申请公布日期
1991.04.30
申请号
JP19890239699
申请日期
1989.09.14
申请人
MURATA MFG CO LTD
发明人
MAEDA YOSHIKATSU
分类号
H04R1/00
主分类号
H04R1/00
代理机构
代理人
主权项
地址
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