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发明名称
Drehstromschaltung fuer Antriebe an Weichen, Signalen, Fahrsperren oder aehnlichen Einrichtungen
摘要
申请公布号
DE879391(C)
申请公布日期
1953.06.11
申请号
DE1948P007606
申请日期
1948.10.02
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
KOWALLIK GERHARD
分类号
B61L7/06
主分类号
B61L7/06
代理机构
代理人
主权项
地址
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