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经营范围
发明名称
PIEZOELECTRIC SPEAKER
摘要
申请公布号
KR200200696(Y1)
申请公布日期
2000.11.01
申请号
KR19980000984U
申请日期
1998.01.30
申请人
NOH, IM - SUK
发明人
NOH, IM-SUK
分类号
H04R17/02;(IPC1-7):H04R17/02
主分类号
H04R17/02
代理机构
代理人
主权项
地址
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