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发明名称
Low frequency loudspeaker
摘要
申请公布号
US2846520(A)
申请公布日期
1958.08.05
申请号
US19550548374
申请日期
1955.11.22
申请人
BROWNSCOMBE PHILIP J
发明人
BROWNSCOMBE PHILIP J.
分类号
H04R1/42
主分类号
H04R1/42
代理机构
代理人
主权项
地址
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