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发明名称
Tube à cathode incandescente et à vide élevé, en particulier tube émetteur pourondes courtes
摘要
申请公布号
FR860538(A)
申请公布日期
1941.01.17
申请号
FRD860538
申请日期
1939.09.27
申请人
BROWN, BOVERI & COMPAGNIE
发明人
分类号
H01J19/36
主分类号
H01J19/36
代理机构
代理人
主权项
地址
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