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经营范围
发明名称
DEEP-WELL PUMPING ROD
摘要
申请公布号
SU916738(A1)
申请公布日期
1982.03.30
申请号
SU19782569068
申请日期
1978.01.16
申请人
SABIRZYANOV SALIKHZYAN,SU;SHAFRAN SIMUIL B,SU
发明人
SABIRZYANOV SALIKHZYAN,SU;SHAFRAN SIMUIL B,SU
分类号
E21B17/00;(IPC1-7):E21B17/00
主分类号
E21B17/00
代理机构
代理人
主权项
地址
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