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发明名称
HYDRAULIC PERCUSSION DEVICE
摘要
申请公布号
SU935607(A1)
申请公布日期
1982.06.15
申请号
SU19792738404
申请日期
1979.02.12
申请人
KARAGANDINSKIJ POLT INSTITUT
发明人
PAVLOV ALEKSANDR S,SU;LURE IOSIF F,SU;EPOV GEORGIJ K,SU;KUCHER IVAN A,SU;MIKHAJLOV ALEKSANDR P,SU
分类号
E21B1/26;B25D9/00;(IPC1-7):E21C3/20
主分类号
E21B1/26
代理机构
代理人
主权项
地址
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