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发明名称
WATER-JET ROCK-BREAKING TOOL
摘要
申请公布号
SU883312(A1)
申请公布日期
1981.11.23
申请号
SU19792742738
申请日期
1979.03.27
申请人
DN GORNYJ I IM.ARTEMA
发明人
EPSHTEJN EVGENIJ F,SU;KOZHEVNIKOV ANATOLIJ A,SU;DAVIDENKO ALEKSANDR N,SU;SIRIK VIKTOR F,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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