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发明名称
STABILIZATION OF WORKING FREQUENCY IN COMMUNICATION SYSTEMS
摘要
申请公布号
CA481817(A)
申请公布日期
1952.03.18
申请号
CAD481817
申请日期
申请人
CANADIAN MARCONI COMPANY
发明人
HERBERT REGINALD CANTELO
分类号
主分类号
代理机构
代理人
主权项
地址
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