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发明名称
Shimmed rail joint
摘要
申请公布号
US1800441(A)
申请公布日期
1931.04.14
申请号
US19300481022
申请日期
1930.09.10
申请人
THE RAIL JOINT COMPANY
发明人
DISBROW CLARKSON A.
分类号
E01B11/02
主分类号
E01B11/02
代理机构
代理人
主权项
地址
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