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发明名称
DRILL FOR DEEP DRILLING
摘要
申请公布号
SU1014672(A1)
申请公布日期
1983.04.30
申请号
SU19803222228
申请日期
1980.10.14
申请人
VNI PK T I ELEKTROTERMICHESKOGO OBORUDOVANIYA
发明人
DOROKHOV IVAN D,SU;TEREKHOV GENNADIJ G,SU;FERTYUK PETR S,SU
分类号
B23B51/04;(IPC1-7):23B51/04
主分类号
B23B51/04
代理机构
代理人
主权项
地址
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