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发明名称
CROSS-HEAD WELL
摘要
申请公布号
SU1765324(A1)
申请公布日期
1992.09.30
申请号
SU19894769752
申请日期
1989.12.13
申请人
MO AVTOMOBILNO-DOROZHNYJ INSTITUT
发明人
PETROV NIKOLAJ A,SU;PAVLOVA NADEZHDA I,SU
分类号
E03F5/00
主分类号
E03F5/00
代理机构
代理人
主权项
地址
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