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发明名称
DEVICE FOR SAMPLING ROCK FROM BOREHOLE WALLS
摘要
申请公布号
SU635230(A1)
申请公布日期
1978.11.30
申请号
SU19772524033
申请日期
1977.09.19
申请人
VNII BUROVOJ TEKHNIKI (VNIIBT)
发明人
EDELMAN YAKOV ALEKSANDROVICH,SU
分类号
E21B49/06;(IPC1-7):E21B49/06
主分类号
E21B49/06
代理机构
代理人
主权项
地址
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