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发明名称
CHUCK FOR JOINING MACHINE SPINDLE TO SCREW
摘要
申请公布号
SU1520241(A1)
申请公布日期
1989.11.07
申请号
SU19874320207
申请日期
1987.10.22
申请人
SHCHIGROVSKOE PROIZV OB GEOLOGORAZVEDOCHNOGO OBORU "GEOMASH"
发明人
MAJOROV OLEG M,SU;GOLOVIN ALEKSANDR N,SU;SHIROKONOSOV GENNADIJ V,SU
分类号
E21B17/03
主分类号
E21B17/03
代理机构
代理人
主权项
地址
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