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发明名称
Dispositif pour la disjonction de la tension anodique dans les tubes de vide avec cathode à chauffage indirect
摘要
申请公布号
FR719205(A)
申请公布日期
1932.02.03
申请号
FRD719205
申请日期
1931.06.27
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
H01J19/82
主分类号
H01J19/82
代理机构
代理人
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地址
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