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发明名称
Procédé pour l'extinction d'arcs dans des récipients à décharge, à atmosphèrede gaz ou de vapeur
摘要
申请公布号
FR841649(A)
申请公布日期
1939.05.24
申请号
FRD841649
申请日期
1938.08.02
申请人
发明人
SCHUMANN WINFRIED OTTO
分类号
H01J7/44;H01J13/48
主分类号
H01J7/44
代理机构
代理人
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