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经营范围
发明名称
Railway brake
摘要
申请公布号
US2343342(A)
申请公布日期
1944.03.07
申请号
US19420441257
申请日期
1942.05.01
申请人
AMERICAN STEEL FOUNDRIES
发明人
TACK CARL E.
分类号
B61H5/00;F16D55/224
主分类号
B61H5/00
代理机构
代理人
主权项
地址
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