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经营范围
发明名称
Brake beam safety guard and guide structure
摘要
申请公布号
US2729311(A)
申请公布日期
1956.01.03
申请号
US19510230942
申请日期
1951.06.11
申请人
CHICAGO RAILWAY EQUIPMENT COMPANY
发明人
BARTON DONALD E.;SPAETH IRVIN J.
分类号
B61H13/36
主分类号
B61H13/36
代理机构
代理人
主权项
地址
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