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发明名称
AMPLIFYING SYSTEM
摘要
申请公布号
CA296630(A)
申请公布日期
1930.01.14
申请号
CAD296630
申请日期
申请人
THE CANADIAN WESTINGHOUSE COMPANY
发明人
KENNETH W. JARVIS
分类号
主分类号
代理机构
代理人
主权项
地址
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