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发明名称
SHAFT-SINKING DRILLING UNIT
摘要
申请公布号
SU579422(A1)
申请公布日期
1977.11.05
申请号
SU19752174434
申请日期
1975.09.18
申请人
SPETSIALIZIROVANNYJ SHAKHTOPROKHODCHESKIJ TREST PO BURENIYU STVOLOV "SPETSSHAKHTOBURENIE"
发明人
BARDUS ANATOLIJ M,SU;GORDON ZINOVICH L,SU;KACHAN VIL G,SU
分类号
E21D1/06;(IPC1-7):E21D1/06
主分类号
E21D1/06
代理机构
代理人
主权项
地址
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