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发明名称
Procédé pour l'extinction de l'arc de la soupape de la phase de fonctionnement d'onduleurs polyphasés à arc
摘要
申请公布号
FR839576(A)
申请公布日期
1939.04.06
申请号
FRD839576
申请日期
1938.06.21
申请人
ALLGEMEINE ELEKTRICITATS-GESELLSCHAFT
发明人
分类号
H02M5/42;H02M7/51
主分类号
H02M5/42
代理机构
代理人
主权项
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