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发明名称
BROAD BAND ACOUSTIC SPEAKER
摘要
申请公布号
AU502616(B2)
申请公布日期
1979.08.02
申请号
AU19740070329
申请日期
1974.06.20
申请人
BABB SOUND CORP.
发明人
B.A. BABB
分类号
H04R7/20;H04R9/02;H04R9/04;H04R9/06;(IPC1-7):H04R9/04;H04R7/14
主分类号
H04R7/20
代理机构
代理人
主权项
地址
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