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发明名称
APPARATUS FOR DEEP DRILLING
摘要
申请公布号
SU1077714(A1)
申请公布日期
1984.03.07
申请号
SU19823567649
申请日期
1982.12.20
申请人
OSBOE K BYURO STANKOSTR
发明人
OSTROVSKIJ MIKHAIL P,SU;BOBROV ANATOLIJ N,SU;GEPSHTEJN ROMAN G,SU
分类号
B23B41/02;(IPC1-7):B23B41/02
主分类号
B23B41/02
代理机构
代理人
主权项
地址
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