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发明名称
Procédé et valve pour la détection et l'amplification des courants électriques alternatifs et leurs applications radio-électriques et autres
摘要
申请公布号
FR793321(A)
申请公布日期
1936.01.22
申请号
FRD793321
申请日期
1934.10.23
申请人
发明人
TOURNEUR ANDRE
分类号
H01J1/30
主分类号
H01J1/30
代理机构
代理人
主权项
地址
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