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发明名称
Road form joint
摘要
申请公布号
US2550525(A)
申请公布日期
1951.04.24
申请号
US19470738871
申请日期
1947.04.02
申请人
RELIANCE STEEL PRODUCTS COMPANY
发明人
BRAUN OTTWIN L.
分类号
E01C19/50
主分类号
E01C19/50
代理机构
代理人
主权项
地址
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