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发明名称
Circuits pour ondes lentes pour tubes à ondes progressives
摘要
申请公布号
FR1111547(A)
申请公布日期
1956.03.01
申请号
FRD1111547
申请日期
1954.07.30
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
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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