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经营范围
发明名称
HYDRAULIC PERCUSSION DEVICE
摘要
申请公布号
SU625029(A2)
申请公布日期
1978.09.25
申请号
SU19752111618
申请日期
1975.03.03
申请人
KARAGANDINSKIJ POLT INSTITUT
发明人
PAVLOV ALEKSANDR S,SU;LURE IOSIF F,SU;EPOV GEORGIJ K,SU;BLEDNYKH LEONID S,SU;GREBENEV NIKOLAJ R,SU
分类号
E21B1/26;(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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