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发明名称
TUBE INNER DIAMETER CONTROL DEVICE
摘要
申请公布号
RU1798612(C)
申请公布日期
1993.02.28
申请号
SU19904892029
申请日期
1990.12.17
申请人
SP PK T BYURO PO POGRUZHNOMU ELEKTROOBORUDOVANIYU DLYA BURENIYA SKVAZHIN DOBYCHI NEFTI
发明人
BRAZHNIK EVGENIJ G,SU;KOLESNIK EVGENIJ S,SU;SHULGA VIKTOR F,SU;ISAKOV STANISLAV V,SU;SHEMETOV ANATOLIJ I,SU;GOLOVKO VLADIMIR S,SU
分类号
G01B5/12
主分类号
G01B5/12
代理机构
代理人
主权项
地址
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