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经营范围
发明名称
DRILLING METHOD
摘要
申请公布号
SU1650371(A1)
申请公布日期
1991.05.23
申请号
SU19884495916
申请日期
1988.10.20
申请人
VEBER VALERIJ V,SU;ONOKHIN RUDOLF D,SU
发明人
VEBER VALERIJ V,SU;ONOKHIN RUDOLF D,SU
分类号
B23B1/00
主分类号
B23B1/00
代理机构
代理人
主权项
地址
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