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发明名称
Dispositifs à décharge électrique
摘要
申请公布号
FR841336(A)
申请公布日期
1939.05.17
申请号
FRD841336
申请日期
1938.01.17
申请人
LE MATERIEL TELEPHONIQUE
发明人
分类号
H01J21/06
主分类号
H01J21/06
代理机构
代理人
主权项
地址
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