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发明名称
APPARATUS FOR GRIPPING TUBES IN ROTOR
摘要
申请公布号
SU768931(A1)
申请公布日期
1980.10.07
申请号
SU19782698249
申请日期
1978.12.15
申请人
VNI PK I NEFTYANOGO MASHINOSTROENIYA
发明人
GLUKH ALEKSANDR A,SU;RAJGORODSKIJ RAFAIL P,SU
分类号
E21B19/10;(IPC1-7):E21B19/10
主分类号
E21B19/10
代理机构
代理人
主权项
地址
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