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发明名称
CULVERT UNDER EMBANKMENT
摘要
申请公布号
SU1532637(A1)
申请公布日期
1989.12.30
申请号
SU19884404468
申请日期
1988.04.06
申请人
SEVERNYJ VNII PO STROITELSTVU MAGISTRALNYKH TRUBOPROVODOV
发明人
AKHTIMIROV NIKOLAJ D,SU;SEMERIKOV ALEKSANDR V,SU;LISIN VLADISLAV N,SU;KATRANOV MIKHAIL B,SU
分类号
E01F5/00
主分类号
E01F5/00
代理机构
代理人
主权项
地址
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