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经营范围
发明名称
PIEZOELECTRIC SPEAKER
摘要
申请公布号
JPH10117397(A)
申请公布日期
1998.05.06
申请号
JP19960268116
申请日期
1996.10.09
申请人
UBE IND LTD
发明人
ABU TOSHIHIKO
分类号
H04R17/00;(IPC1-7):H04R17/00
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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