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发明名称
MACHINE EVALUATING THE EFFICIENCY OF WORK OF ROCK-BREAKING TOOL
摘要
申请公布号
SU972034(A1)
申请公布日期
1982.11.07
申请号
SU19813283596
申请日期
1981.04.13
申请人
INST SVERKHTVERDYKH MAT
发明人
OLEJNIKOV BORIS A,SU;SVESHNIKOV IGOR A,SU;KLIMOVICH ANDREJ P,SU;MELNICHUK ALEKSANDR V,SU
分类号
(IPC1-7):E21B9/00
主分类号
(IPC1-7):E21B9/00
代理机构
代理人
主权项
地址
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