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发明名称
DIAMOND DRILL FOR WORKING HARD BRITTLE MATERIALS
摘要
申请公布号
EP0276310(B1)
申请公布日期
1990.05.23
申请号
EP19860906035
申请日期
1986.06.20
申请人
GRAPONOV, SERGEI G.;ROMANOV, ALEXANDR I.;VOINOV, VIKTOR A.;ANIKIN, VIKTOR K.
发明人
GRAPONOV, SERGEI G.
分类号
B23B51/00;B24D7/00;B24D7/18;B24D99/00;B28D1/04
主分类号
B23B51/00
代理机构
代理人
主权项
地址
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