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经营范围
发明名称
DRILLING MACHINE
摘要
申请公布号
SU628298(A1)
申请公布日期
1978.10.15
申请号
SU19772454650
申请日期
1977.02.16
申请人
IZYUMIN YURIJ YA,SU;ELISEEV VLADIMIR G,SU;ZHUKOV BORIS P,SU;PROKHOROV ANATOLIJ A,SU;DMITRIEV VLADIMIR S,SU
发明人
IZYUMIN YURIJ YA,SU;ELISEEV VLADIMIR G,SU;ZHUKOV BORIS P,SU;PROKHOROV ANATOLIJ A,SU;DMITRIEV VLADIMIR S,SU
分类号
E21B6/02;(IPC1-7):E21C1/12
主分类号
E21B6/02
代理机构
代理人
主权项
地址
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