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发明名称
Device for doweling transverse joints of concrete road pavements
摘要
申请公布号
US2349983(A)
申请公布日期
1944.05.30
申请号
US19410385177
申请日期
1941.03.25
申请人
ALEXANDER MUSALL
发明人
MUSALL ALEXANDER
分类号
E01C11/14
主分类号
E01C11/14
代理机构
代理人
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