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发明名称
WELL REAMER
摘要
申请公布号
SU1006697(A2)
申请公布日期
1983.03.23
申请号
SU19813372077
申请日期
1981.12.23
申请人
N-PROIZV OB FUNDAMENTOSTROENIYA "SOYUZSPETSFUNDAMENTTYAZHSTROJ" MINISTERSTVA STROITELSTVA PREDPRIYATIJ TYAZHELOJ INDUSTRII SSSR
发明人
OVCHAROV MIKHAIL S,SU;KOKH VIKTOR A,SU;PONOMARENKO YURIJ E,SU;MOISEEV YURIJ N,SU
分类号
E21B7/30;E21B7/28;(IPC1-7):E21B7/28
主分类号
E21B7/30
代理机构
代理人
主权项
地址
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