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经营范围
发明名称
LOUDSPEAKER VIBRATILE SYSTEM
摘要
申请公布号
CA801522(A)
申请公布日期
1968.12.17
申请号
CAD801522
申请日期
申请人
LTV LING ALTEC
发明人
ABRAHAM B. COHEN
分类号
主分类号
代理机构
代理人
主权项
地址
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