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经营范围
发明名称
Drehstromschaltung fuer elektromotorische Antriebe von Weichen, Signalen, Fahrsperren, Schranken usw.
摘要
申请公布号
DE807952(C)
申请公布日期
1951.07.09
申请号
DE1948P007599
申请日期
1948.10.02
申请人
SIEMENS & HALSKE A.G.
发明人
KOWALLIK GERHARD
分类号
B61L7/06
主分类号
B61L7/06
代理机构
代理人
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地址
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