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经营范围
发明名称
Rail anchor
摘要
申请公布号
US2038015(A)
申请公布日期
1936.04.21
申请号
US19280244216
申请日期
1928.01.03
申请人
THE P AND M COMPANY
发明人
WARR HAROLD G.
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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