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发明名称
Rail anticreep device
摘要
申请公布号
US2479932(A)
申请公布日期
1949.08.23
申请号
US19450610634
申请日期
1945.08.13
申请人
G & H RAIL CONTROLS, INC.
发明人
HUNNICUTT CADDIS J.
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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