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经营范围
发明名称
Railway brake beam
摘要
申请公布号
US2587915(A)
申请公布日期
1952.03.04
申请号
US19460669855
申请日期
1946.05.15
申请人
CHICAGO RAILWAY EQUIPMENT COMPANY
发明人
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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