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发明名称
Loudspeaker system
摘要
申请公布号
GB981729(A)
申请公布日期
1965.01.27
申请号
GB19620017506
申请日期
1962.05.07
申请人
DANIEL KAUFFMAN GREENFIELD
发明人
分类号
H04R1/28;H04R5/02
主分类号
H04R1/28
代理机构
代理人
主权项
地址
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