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经营范围
发明名称
Railway switch operating apparatus
摘要
申请公布号
US1976830(A)
申请公布日期
1934.10.16
申请号
US19330668198
申请日期
1933.04.27
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
BONE HERBERT L.;MCWHIRTER WILLIAM C.
分类号
B61L5/02
主分类号
B61L5/02
代理机构
代理人
主权项
地址
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