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经营范围
发明名称
Verstärker für modulierte Schwingungen.
摘要
申请公布号
AT160407(B)
申请公布日期
1941.05.26
申请号
ATD160407
申请日期
申请人
INTERNATIONAL GENERAL ELECTRIC COMPANY INC.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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