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发明名称
METHOD OF ERECTION OF SECTIONAL SHAFT LINING AND DEVICE FOR ITS REALIZATION
摘要
申请公布号
SU1696710(A1)
申请公布日期
1991.12.07
申请号
SU19894737628
申请日期
1989.09.13
申请人
VNII ORG MEKH SHAKHT
发明人
IVANOV VLADIMIR V,SU;KUPCHINSKIJ IGOR A,SU
分类号
E21D5/00
主分类号
E21D5/00
代理机构
代理人
主权项
地址
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