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发明名称
METHOD OF TREATING A DIAMOND ROCK-BREAKING TOOL
摘要
申请公布号
SU1470927(A1)
申请公布日期
1989.04.07
申请号
SU19864158317
申请日期
1986.12.08
申请人
SEVERO-UKRAINSKOE PROIZV GEOLOGICHESKOE OB "SEVUKRGEOLOGIYA"
发明人
ABRAMCHUK ANATOLIJ B,SU;ZAJONTS OLEG L,SU;MEGAL PAVEL D,SU
分类号
E21B10/46;B24D3/10
主分类号
E21B10/46
代理机构
代理人
主权项
地址
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