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发明名称
WELL PERFORATOR
摘要
申请公布号
SU1696681(A1)
申请公布日期
1991.12.07
申请号
SU19884414067
申请日期
1988.04.22
申请人
SP K BYURO GIDROIMPULS TEKH
发明人
ZVEREV ALEKSANDR S,SU;PINAKOV VALERIJ I,SU;ARTAMONOV VADIM YU,SU
分类号
E21B43/114
主分类号
E21B43/114
代理机构
代理人
主权项
地址
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