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发明名称
Perfectionnements aux tubes à onde progressive
摘要
申请公布号
FR1231434(A)
申请公布日期
1960.09.29
申请号
FR19590801306
申请日期
1959.07.28
申请人
COMPAGNIE FRANCAISE THOMSON-HOUSTON
发明人
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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