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发明名称
HOLE-BOTTOM APPARATUS FOR REGISTERING AXIAL LOAD OF BIT
摘要
申请公布号
SU1158747(A1)
申请公布日期
1985.05.30
申请号
SU19833569093
申请日期
1983.03.28
申请人
IVANO-FRANKOVSKIJ I NEFTI GAZA
发明人
IVASIV VASILIJ M,SU;KOCHUKOV VYACHESLAV V,SU;ABRAMSON MIKHAIL G,SU;PLISAK VALERIJ F,SU;MATVIEVSKIJ VLADIMIR N,SU
分类号
E21B45/00;(IPC1-7):E21B45/00
主分类号
E21B45/00
代理机构
代理人
主权项
地址
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