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发明名称
IMPREGNATED DIAMOND TOOL
摘要
申请公布号
SU1346753(A1)
申请公布日期
1987.10.23
申请号
SU19853997751
申请日期
1985.12.23
申请人
OTDEL EX ISSLEDOVANIJ V G.TULE TSNI GEOLOGORAZVEDOCHNOGO I TSVETNYKH BLAGORODNYKH METALLOV
发明人
VOLKOV LEV L,SU
分类号
E21B10/46
主分类号
E21B10/46
代理机构
代理人
主权项
地址
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