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发明名称
Crowning device for expansion joints
摘要
申请公布号
US1891897(A)
申请公布日期
1932.12.20
申请号
US19260108948
申请日期
1926.05.13
申请人
THE PHILIP CAREY MANUFACTURING COMPANY
发明人
FISCHER ALBERT C.
分类号
E01C23/02
主分类号
E01C23/02
代理机构
代理人
主权项
地址
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