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经营范围
发明名称
UNDERGROUND DRILLING MACHINE
摘要
申请公布号
BG41247(A1)
申请公布日期
1987.05.15
申请号
BG19860073585
申请日期
1986.02.14
申请人
GEORGIEV,GEORGI S.;DACHEV,LJUBOMIR B.;KRALEV,IVAN G.;VASILEV,VASIL D.;CANKOV,CENKO I.;UZUNOV,KRUM L.;KRUMOV,IVAN K.
发明人
GEORGIEV,GEORGI S.;DACHEV,LJUBOMIR B.;KRALEV,IVAN G.;VASILEV,VASIL D.;CANKOV,CENKO I.;UZUNOV,KRUM L.;KRUMOV,IVAN K.
分类号
(IPC1-7):E21C1/00
主分类号
(IPC1-7):E21C1/00
代理机构
代理人
主权项
地址
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