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发明名称
Anticreeping device for rail way rails
摘要
申请公布号
US2546046(A)
申请公布日期
1951.03.20
申请号
US19470743821
申请日期
1947.04.25
申请人
SCHOLES RICHARD T
发明人
SCHOLES RICHARD T.
分类号
E01B13/02
主分类号
E01B13/02
代理机构
代理人
主权项
地址
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