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发明名称
RADIO MIRRORS AND WAVE GUIDE DUCT SYSTEMS
摘要
申请公布号
CA502267(A)
申请公布日期
1954.05.11
申请号
CAD502267
申请日期
申请人
CANADIAN MARCONI COMPANY
发明人
JOHN FORREST RAMSAY
分类号
主分类号
代理机构
代理人
主权项
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