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发明名称
CORE DRILL
摘要
申请公布号
SU1680944(A1)
申请公布日期
1991.09.30
申请号
SU19823495293
申请日期
1982.07.05
申请人
SREDNEAZIATSKIJ NII GEOLOGII MINERALNOGO SYRYA
发明人
ABDULLAEV RASHID,SU;ABSADIKOV ABDIZHAPPAR,SU
分类号
E21B25/08
主分类号
E21B25/08
代理机构
代理人
主权项
地址
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