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发明名称
Mechanical loudspeaker
摘要
申请公布号
GB0909622(D0)
申请公布日期
2009.07.15
申请号
GB20090009622
申请日期
2009.06.04
申请人
YAW, WUNG C
发明人
分类号
主分类号
代理机构
代理人
主权项
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