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发明名称
PIEZOELECTRIC SPEAKER
摘要
申请公布号
JPH0330600(A)
申请公布日期
1991.02.08
申请号
JP19890165580
申请日期
1989.06.28
申请人
MURATA MFG CO LTD
发明人
TOYOSHIMA ISAO
分类号
H04R17/00
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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