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发明名称
BRIDGE ROADWAY CONSTRUCTION
摘要
申请公布号
US3425077(A)
申请公布日期
1969.02.04
申请号
USD3425077
申请日期
1966.09.09
申请人
DEMAG AG.
发明人
HANS SIEVERS
分类号
E01D19/12;(IPC1-7):E01D19/12;E04C2/34
主分类号
E01D19/12
代理机构
代理人
主权项
地址
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