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经营范围
发明名称
CORE BARREL
摘要
申请公布号
SU1661347(A1)
申请公布日期
1991.07.07
申请号
SU19894663031
申请日期
1989.03.15
申请人
TBILISSKOE OTDEL V PROEKTNO-IZYSKATELSKOGO NII "GIDROPROEKT" IM.S.YA.ZHUKA
发明人
GABRICHIDZE YULON D,SU;GOJ VLADIMIR L,SU
分类号
E21B7/24;E21B25/00
主分类号
E21B7/24
代理机构
代理人
主权项
地址
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