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发明名称
Brake beam construction
摘要
申请公布号
US2722291(A)
申请公布日期
1955.11.01
申请号
US19520274220
申请日期
1952.02.29
申请人
CHICAGO MALLEABLE CASTINGS COMPANY
发明人
WELP HERMAN T.
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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