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经营范围
发明名称
LOCKING ARRANGEMENT FOR TESTING WELLS
摘要
申请公布号
SU1033723(A1)
申请公布日期
1983.08.07
申请号
SU19813348934
申请日期
1981.10.16
申请人
NAGUMANOV MIRSAT M,SU;NAGUMANOVA TAMARA SH,SU
发明人
NAGUMANOV MIRSAT M,SU;NAGUMANOVA TAMARA SH,SU
分类号
E21B49/00;(IPC1-7):E21B49/00
主分类号
E21B49/00
代理机构
代理人
主权项
地址
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