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经营范围
发明名称
Sound reproducing systems
摘要
申请公布号
US2768702(A)
申请公布日期
1956.10.30
申请号
US19520270306
申请日期
1952.02.07
申请人
LARMER LOWRY CHARLES ARIEL
发明人
LOWRY CHARLES ARIEL LARMER
分类号
H04R1/22
主分类号
H04R1/22
代理机构
代理人
主权项
地址
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