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发明名称
ROCK-BREAKING WATER-JET GUN
摘要
申请公布号
SU700650(A1)
申请公布日期
1979.11.30
申请号
SU19782619207
申请日期
1978.05.24
申请人
INST GORNOGO DELA IM. A.A.SKOCHINSKOGO
发明人
YUDIN YURIJ P,SU;ZHARIKOV SERGEJ N,SU;ZHUKOVIN YURIJ D,SU
分类号
E21C45/00;(IPC1-7):E21C45/00
主分类号
E21C45/00
代理机构
代理人
主权项
地址
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