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发明名称
Railway brake
摘要
申请公布号
US2280781(A)
申请公布日期
1942.04.28
申请号
US19390293915
申请日期
1939.09.08
申请人
AMERICAN STEEL FOUNDRIES
发明人
BASELT WALTER H.
分类号
B61H5/00
主分类号
B61H5/00
代理机构
代理人
主权项
地址
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