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经营范围
发明名称
Lautsprecher mit Konusmembran
摘要
申请公布号
DE940996(C)
申请公布日期
1956.03.29
申请号
DE1952G010394
申请日期
1952.12.03
申请人
THE GENERAL ELECTRIC COMPANY LIMITED
发明人
分类号
H04R7/12
主分类号
H04R7/12
代理机构
代理人
主权项
地址
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