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经营范围
发明名称
METHOD FOR DEVELOPMENT OF WELLS
摘要
申请公布号
RU1776301(C)
申请公布日期
1992.11.15
申请号
SU19914919081
申请日期
1991.01.28
申请人
KURTOV VENIAMIN D,SU
发明人
KURTOV VENIAMIN D,SU
分类号
E21B43/25
主分类号
E21B43/25
代理机构
代理人
主权项
地址
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