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发明名称
Brake beam shoe
摘要
申请公布号
US2197399(A)
申请公布日期
1940.04.16
申请号
US19370173296
申请日期
1937.11.08
申请人
DAVIS BRAKE BEAM COMPANY
发明人
STILLWAGON CHARLES K.
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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