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发明名称
DEVICE FOR ASSEMBLING CASING BOTTOM
摘要
申请公布号
RU2014428(C1)
申请公布日期
1994.06.15
申请号
SU19914915883
申请日期
1991.01.28
申请人
KURTOV VENIAMIN D
发明人
KURTOV VENIAMIN D
分类号
E21B17/14;(IPC1-7):E21B17/14
主分类号
E21B17/14
代理机构
代理人
主权项
地址
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