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发明名称
RAILWAY BRIDGE SPAN STRUCTURE
摘要
申请公布号
SU765449(A1)
申请公布日期
1980.09.23
申请号
SU19782590182
申请日期
1978.03.10
申请人
SP K BYURO GLAVMOSTOSTROYA
发明人
REBRIK PETR E,SU
分类号
E01D1/00;E01D19/08;(IPC1-7):E01D1/00
主分类号
E01D1/00
代理机构
代理人
主权项
地址
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