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经营范围
发明名称
TRAVELING WAVE TUBE
摘要
申请公布号
CA546682(A)
申请公布日期
1957.09.24
申请号
CAD546682
申请日期
申请人
PHILCO CORPORATION
发明人
JOHN W. TILEY
分类号
主分类号
代理机构
代理人
主权项
地址
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