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发明名称
Control system
摘要
申请公布号
US1966538(A)
申请公布日期
1934.07.17
申请号
US19310530814
申请日期
1931.04.17
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
BRYAN HAROLD W.;NICHOLSON FRANK H.
分类号
B60L7/00
主分类号
B60L7/00
代理机构
代理人
主权项
地址
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