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经营范围
发明名称
WIRELESS DIRECTION FINDING SYSTEM
摘要
申请公布号
CA354522(A)
申请公布日期
1935.12.03
申请号
CAD354522
申请日期
申请人
THE CANADIAN MARCONI COMPANY
发明人
LOUIS EDWARD QUINTRELL WALKER;HARRY MELVILLE DOWSETT;ROBERT CADZOW
分类号
主分类号
代理机构
代理人
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