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发明名称
Tube à onde progressive
摘要
申请公布号
FR1272953(A)
申请公布日期
1961.10.06
申请号
FR19600833979
申请日期
1960.07.26
申请人
SPERRY RAND CORPORATION
发明人
分类号
H01J25/38
主分类号
H01J25/38
代理机构
代理人
主权项
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