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发明名称
VORRICHTUNG ZUR GELEITETEN RUECKSTROMFUEHRUNG BEI ELEKTRISCHEN TRIEBWAGEN, INSBESONDERE STRASSENBAHNWAGEN.
摘要
申请公布号
DE1625006(U)
申请公布日期
1951.06.28
申请号
DE194900K0421U
申请日期
1949.11.14
申请人
KREFELDER VERKEHRS-A.G.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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