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发明名称
Improvements in or relating to Delay Lines for Travelling Wave Tubes.
摘要
申请公布号
GB1189678(A)
申请公布日期
1970.04.29
申请号
GB19670030506
申请日期
1967.07.03
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
分类号
H01J23/24
主分类号
H01J23/24
代理机构
代理人
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地址
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