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经营范围
发明名称
Rail joint
摘要
申请公布号
US1962708(A)
申请公布日期
1934.06.12
申请号
US19300490977
申请日期
1930.10.24
申请人
CARUTHERS EUGENE W
发明人
CARUTHERS EUGENE W.
分类号
E01B11/04
主分类号
E01B11/04
代理机构
代理人
主权项
地址
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