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经营范围
发明名称
Electro-acoustic converter
摘要
申请公布号
AUPR317901(D0)
申请公布日期
2001.03.15
申请号
AU2001PR03179
申请日期
2001.02.16
申请人
ARNSTEIN, B.
发明人
分类号
H04R1/28
主分类号
H04R1/28
代理机构
代理人
主权项
地址
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