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发明名称
LOW FREQUENCY LOUDSPEAKER
摘要
申请公布号
CA610730(A)
申请公布日期
1960.12.20
申请号
CAD610730
申请日期
申请人
PHILIP J. BROWNSCOMBE
发明人
PHILIP J. BROWNSCOMBE
分类号
主分类号
代理机构
代理人
主权项
地址
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