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经营范围
发明名称
BOREHOLE DRILLING ARRANGEMENT
摘要
申请公布号
SU685801(A1)
申请公布日期
1979.09.15
申请号
SU19772486256
申请日期
1977.05.12
申请人
PK BYURO GLAVSTROJMEKHANIZATSII
发明人
YUROVSKIJ STANISLAV M,SU;RUMYANTSEV ROMUALD A,SU;ZAGORSKIJ GENNADIJ S,SU;BARSEGYAN VACHYAGAN A,SU
分类号
E21D1/06;(IPC1-7):E21B5/00
主分类号
E21D1/06
代理机构
代理人
主权项
地址
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