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发明名称
Reenforced concrete bridge
摘要
申请公布号
US1764494(A)
申请公布日期
1930.06.17
申请号
US19270221267
申请日期
1927.09.22
申请人
BRUNO BAUER
发明人
BAUER BRUNO
分类号
E04C5/06
主分类号
E04C5/06
代理机构
代理人
主权项
地址
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