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经营范围
发明名称
Traveling wave tube
摘要
申请公布号
US3011085(A)
申请公布日期
1961.11.28
申请号
US19550537646
申请日期
1955.09.30
申请人
HUGHES AIRCRAFT COMPANY
发明人
JR. JOSEPH J. CALDWELL,
分类号
H01J23/24
主分类号
H01J23/24
代理机构
代理人
主权项
地址
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