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发明名称
WORKING MEMBER FOR DIGGING VERTICAL HOLES
摘要
申请公布号
SU663791(A1)
申请公布日期
1979.05.25
申请号
SU19762353213
申请日期
1976.04.22
申请人
PNII "KRASNOYARSKIJ PROMSTROJNIIPROEKT"
发明人
KOROL VLADIMIR A,SU;ANDRUNYAK NIKOLAJ N,SU
分类号
E02F5/20;(IPC1-7):E02F5/20
主分类号
E02F5/20
代理机构
代理人
主权项
地址
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