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发明名称
PIEZOELECTRIC SPEAKER
摘要
申请公布号
JPH02228199(A)
申请公布日期
1990.09.11
申请号
JP19890049192
申请日期
1989.03.01
申请人
MURATA MFG CO LTD
发明人
TAKAYA TADASHI;INOUE JIRO
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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