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经营范围
发明名称
AUTOMATIC BIT FEEDER REGULATOR
摘要
申请公布号
SU599038(A1)
申请公布日期
1978.03.25
申请号
SU19742042709
申请日期
1974.07.10
申请人
KB POLT I IM.V.V.KUJBYSHEVA
发明人
MIRONOV VALERIJ PETROVICH,SU;ROZHANSKIJ EDUARD LVOVICH,SU;TIKHOMIROV SERGEJ VASILEVICH,SU
分类号
E21B44/02;E21B19/08;(IPC1-7):E21B19/08
主分类号
E21B44/02
代理机构
代理人
主权项
地址
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