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发明名称
Electric train
摘要
申请公布号
US2254063(A)
申请公布日期
1941.08.26
申请号
US19390269320
申请日期
1939.04.22
申请人
ALEXANDER DRAKE FREDERICK
发明人
DRAKE FREDERICK ALEXANDER
分类号
A63H19/10
主分类号
A63H19/10
代理机构
代理人
主权项
地址
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