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发明名称
METHOD OF CONSTRUCTING A PIPE UNDER EMBANKMENT
摘要
申请公布号
SU819249(A1)
申请公布日期
1981.04.07
申请号
SU19792764549
申请日期
1979.05.04
申请人
ILYUSHIN VIKTOR F,SU
发明人
ILYUSHIN VIKTOR F,SU
分类号
E01F5/00;(IPC1-7):E01F5/00
主分类号
E01F5/00
代理机构
代理人
主权项
地址
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