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发明名称
Booster motor controlling mechanism
摘要
申请公布号
US1939277(A)
申请公布日期
1933.12.12
申请号
US19310532776
申请日期
1931.04.25
申请人
FRANKLIN RAILWAY SUPPLY COMPANY
发明人
ROBERTS MONTAGUE H.
分类号
B61C15/02
主分类号
B61C15/02
代理机构
代理人
主权项
地址
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