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发明名称
ARRANGEMENT FOR RETAINING PIPE STRING
摘要
申请公布号
SU1032164(A1)
申请公布日期
1983.07.30
申请号
SU19813345293
申请日期
1981.10.08
申请人
SP PK BYURO AVTOM GLUBOKOGO RAZVEDOCHNOGO BURENIYA
发明人
VLASOV VALERIJ S,SU;LYS FEDOR S,SU;MIKHAJLOV GENNADIJ B,SU;RAVICH-SHCHERBO ROMAN YU,SU;SHRAGO LEONID G,SU;SUSLIKOV BORIS S,SU;IVANOV ANATOLIJ A,SU
分类号
E21B19/10;E21B19/00;E21B19/24;(IPC1-7):E21B19/00
主分类号
E21B19/10
代理机构
代理人
主权项
地址
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