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经营范围
发明名称
Support for expansion joint fillers, reinforcing rods, and dowel bars
摘要
申请公布号
US2296195(A)
申请公布日期
1942.09.15
申请号
US19400344758
申请日期
1940.07.10
申请人
VARNER DAVID E
发明人
VARNER DAVID E.
分类号
E01C11/14
主分类号
E01C11/14
代理机构
代理人
主权项
地址
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