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发明名称
VARYING INNER DIAMETER COLLECTOR ELECTRODE FOR AN ELECTRON BEAM TUBE,PARTICULARLY HIGH POWERED TRAVELLING-WAVE TUBES
摘要
申请公布号
US3421036(A)
申请公布日期
1969.01.07
申请号
USD3421036
申请日期
1966.09.21
申请人
SIEMENS AG.
发明人
ROLAND WOLFRAM
分类号
H01J23/027;(IPC1-7):H01J29/10
主分类号
H01J23/027
代理机构
代理人
主权项
地址
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