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发明名称
Einrichtung zur Abschaltung von Wechselstrom beim Stromnulldurchgang
摘要
申请公布号
DE893834(C)
申请公布日期
1953.10.19
申请号
DE1943S013750D
申请日期
1943.02.10
申请人
SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT
发明人
WILLMANN HANS H.
分类号
H01H9/56
主分类号
H01H9/56
代理机构
代理人
主权项
地址
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