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发明名称
DRILLING MACHINE
摘要
申请公布号
SU1406361(A1)
申请公布日期
1988.06.30
申请号
SU19864141166
申请日期
1986.10.20
申请人
NOVOCHERKASSKIJ POLT I IM.SERGO ORDZHONIKIDZE;SHAKHTINSKI TEKH INST
发明人
VODYANIK GRIGORIJ M,SU;VODYANIK MIKHAIL G,SU;ALIFEROV ALEKSANDR P,SU;DEMCHENKO NIKOLAJ V,SU;BONDAREV VLADIMIR M,SU
分类号
E21B3/00;E21B44/06
主分类号
E21B3/00
代理机构
代理人
主权项
地址
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