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发明名称
Umschaltungseinrichtung von Wechselstromspielfahrzeugen bei elektrisch betriebenen Spielzeugeisenbahnen
摘要
申请公布号
DE647352(C)
申请公布日期
1937.07.02
申请号
DE1936S123148D
申请日期
1936.06.25
申请人
GUSTAV SANDTFOSS
发明人
分类号
A63H19/24
主分类号
A63H19/24
代理机构
代理人
主权项
地址
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