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发明名称
EJECTING DRILL HEAD
摘要
申请公布号
SU573265(A1)
申请公布日期
1977.09.25
申请号
SU19742074017
申请日期
1974.11.11
申请人
VI TEKHNOLOGII STROITELNOGO DOROZHNOGO MASHINOSTROENIYA
发明人
SHAMATAREV VIKTOR A,SU;SHRAMCHENKO SVETLANA A,SU;BORMAN ROSTISLAV V,SU
分类号
B23B47/18;(IPC1-7):B23B47/18
主分类号
B23B47/18
代理机构
代理人
主权项
地址
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