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经营范围
发明名称
DRILLING ROD
摘要
申请公布号
SU629337(A1)
申请公布日期
1978.10.25
申请号
SU19721824314
申请日期
1972.08.29
申请人
VNII ZOLOTA REDKIKH METALLOV (VNII-1)
发明人
VYSHLOV GEORGIJ P,SU;BABKIN VIKTOR M,SU;KRYSHCHENKO NIKOLAJ D,SU;VORONOV IVAN E,SU;SOROKIN VASILIJ ,SU
分类号
F16L33/22;(IPC1-7):E21C15/00
主分类号
F16L33/22
代理机构
代理人
主权项
地址
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