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发明名称
METHOD OF HARDENING THE OUTER SURFACE OF CYLINDRICAL PART
摘要
申请公布号
SU1633012(A1)
申请公布日期
1991.03.07
申请号
SU19884489190
申请日期
1988.10.03
申请人
SP K BYURO V PROMYSHLENNOGO OBEDINENIYA "SOYUZGEOTEKHNIKA"
发明人
LACHINYAN LEONID A,SU;STRIGANOV OLEG V,SU;TYUTYUNOV VIKTOR D,SU
分类号
E21B17/10;C23C4/00
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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