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经营范围
发明名称
DRILLING TOOL
摘要
申请公布号
SU962574(A2)
申请公布日期
1982.09.30
申请号
SU19813255761
申请日期
1981.02.27
申请人
MO GEOLOGORAZVEDOCHNYJ I IM.S.ORDZHONIKIDZE
发明人
KHVOROSTOVSKIJ STANISLAV S,SU;KHVOROSTOVSKAYA NATALIYA F,SU;MARAKHANOV OLEG V,SU
分类号
E21B7/24;(IPC1-7):E21B7/24
主分类号
E21B7/24
代理机构
代理人
主权项
地址
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