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发明名称
Rail sanding device
摘要
申请公布号
US2148745(A)
申请公布日期
1939.02.28
申请号
US19370176205
申请日期
1937.11.24
申请人
THE WESTINGHOUSE AIR BRAKE COMPANY
发明人
HAMMER CHARLES F.
分类号
B61C15/10
主分类号
B61C15/10
代理机构
代理人
主权项
地址
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