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经营范围
发明名称
METHOD OF LAYING A SLURRY CONDUIT
摘要
申请公布号
SU1420122(A1)
申请公布日期
1988.08.30
申请号
SU19864162033
申请日期
1986.12.15
申请人
P KONTORA "GIDROMEKHPROEKT" TRESTA "GIDROMEKHANIZATSIYA"
发明人
EFREMOV NIKOLAJ A,SU;SHAMSHIN BORIS G,SU;SERYKH ASKOLD V,SU
分类号
E02F3/88
主分类号
E02F3/88
代理机构
代理人
主权项
地址
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