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经营范围
发明名称
HYDRAULIC DRILLING MACHINE
摘要
申请公布号
PL279128(A1)
申请公布日期
1989.11.13
申请号
PL19890279128
申请日期
1989.04.26
申请人
KARAGANDINSKIJ POLT INSTITUT
发明人
NEROZNIKOV JURY I;SHVETS NIKOLAI N;RUDAKOV IVAN P;SHEVCHENKO ANDREI J;FANSHTEIN VALENTIN N;MEDYANIK VLADIMIR A;MUSHTAKOV NIKOLAI A
分类号
E21B6/02;E21B3/00;E21B6/00;E21B44/06;(IPC1-7):E21C/
主分类号
E21B6/02
代理机构
代理人
主权项
地址
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