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发明名称
APPARATUS FOR MEASURING DRILLING TOOL VERTICAL TRAVELS FROM DRAWWORKS DRUM ROTATION
摘要
申请公布号
SU1456541(A1)
申请公布日期
1989.02.07
申请号
SU19874196500
申请日期
1987.02.17
申请人
SP K BYURO SREDSTV AVTOM IVANO-FRANKOVSKOGO PROIZVODSTVENNOGO OBEDINENIYA "GEOFIZPRIBOR"
发明人
ZEVELEV SERGEJ YA,SU;KOLYADZHIN IGOR M,SU;KHRAPACH TAMILA N,SU
分类号
E21B45/00
主分类号
E21B45/00
代理机构
代理人
主权项
地址
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