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经营范围
发明名称
OMNIDIRECTIONAL LOUDSPEAKER SYSTEM
摘要
申请公布号
GB1269005(A)
申请公布日期
1972.03.29
申请号
GB19700018265
申请日期
1970.04.16
申请人
H. H. SCOTT, INC.
发明人
分类号
H04R1/32
主分类号
H04R1/32
代理机构
代理人
主权项
地址
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