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发明名称
Helical slow wave structure traveling wave tube having attenuation material coating the inside of the hollow support members
摘要
申请公布号
US3329855(A)
申请公布日期
1967.07.04
申请号
US19630310512
申请日期
1963.09.20
申请人
JOHANNES LANDSBERGEN HENDRICUS
发明人
LANDSBERGEN HENDRICUS JOHANNES
分类号
H01J23/30
主分类号
H01J23/30
代理机构
代理人
主权项
地址
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