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发明名称
DEVICE FOR SECURING DRILLING RIG TO JACK COLUMN
摘要
申请公布号
SU740946(A1)
申请公布日期
1980.06.15
申请号
SU19782675208
申请日期
1978.10.18
申请人
VOSTOCHNYJ NI GORNORUDNYJ INSTITUT
发明人
BULAVKIN ALEKSANDR M,SU;SIDELNIKOV VASILIJ G,SU;ULKIN MIKHAIL M,SU;BUKHTIN VIKTOR S,SU;TARASOV ALEKSANDR A,SU;SHAPOSHNIKOV VIKTOR D,SU
分类号
E21B15/00;(IPC1-7):E21C11/00;E21C1/00
主分类号
E21B15/00
代理机构
代理人
主权项
地址
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