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发明名称
Loudspeaker horns
摘要
申请公布号
US3303904(A)
申请公布日期
1967.02.14
申请号
US19660524324
申请日期
1966.02.01
申请人
DECCA LIMITED
发明人
KELLY STANLEY
分类号
H04R1/34
主分类号
H04R1/34
代理机构
代理人
主权项
地址
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