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发明名称
STEND FOR INVESTIGATING DRILLING TOOLS AND PROCESS
摘要
申请公布号
SU582392(A2)
申请公布日期
1977.11.30
申请号
SU19762334075
申请日期
1976.03.12
申请人
FRUNZENSKIJ POLT INSTITUT
发明人
DVORNIKOV LEONID T,SU;DONCHENKO VALERIJ S,SU
分类号
E21B19/081;G01M99/00;(IPC1-7):E21C5/00;E21C1/00;G01M19/00
主分类号
E21B19/081
代理机构
代理人
主权项
地址
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