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发明名称
Perfectionnements aux supports de tubes à vide
摘要
申请公布号
FR933915(A)
申请公布日期
1948.05.05
申请号
FRD933915
申请日期
1946.08.27
申请人
COMPAGNIE FRANCAISE THOMSON-HOUSTON
发明人
分类号
H01J5/50;H01J19/66;H01R33/76
主分类号
H01J5/50
代理机构
代理人
主权项
地址
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