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发明名称
WORKING EQUIPMENT FOR DIGGING GROUND UNDER PIPELINE
摘要
申请公布号
SU1707146(A1)
申请公布日期
1992.01.23
申请号
SU19894644376
申请日期
1989.01.31
申请人
VNII PO SBORU, üO¯×OTOBKE ô TPAHCüOPTÔ HE´Tô ô HE´TEüPO¯ÔKTOB
发明人
IKHSANOV DEVIZ F,SU;GUMEROV RIF S,SU;ASKAROV ROBERT M,SU;FATKHUTDINOV LERON F,SU
分类号
E02F5/10
主分类号
E02F5/10
代理机构
代理人
主权项
地址
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