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发明名称
WATER-JET ROCK-BREAKING TOOL
摘要
申请公布号
SU829850(A1)
申请公布日期
1981.05.15
申请号
SU19792792914
申请日期
1979.07.09
申请人
DN GORNYJ I IM. ARTEMA
发明人
DAVIDENKO ALEKSANDR N,SU;KOZHEVNIKOV ANATOLIJ A,SU;SIRIK VIKTOR F,SU;EPSHTEJN EVGENIJ F,SU;TKACHENKO ALEKSANDR A,SU
分类号
E21B10/61;E21B10/60;(IPC1-7):E21B10/60
主分类号
E21B10/61
代理机构
代理人
主权项
地址
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