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经营范围
发明名称
HYDRAULIC PERCUSSION DEVICE
摘要
申请公布号
SU641057(A1)
申请公布日期
1979.01.05
申请号
SU19752113363
申请日期
1975.01.30
申请人
SP K BYURO N-PROIZV OBEDINENIYA MINISTERSTVA GEOLOGII SSSR "GEOTEKHNIKA"
发明人
ALEUTSKIJ EVGENIJ VASILEVICH,SU;KISELEV ANDREJ TIMOFEEVICH,SU;MELAMED YURIJ ALEKSANDROVICH,SU;MONETKIN VIKTOR ALEKSEEVICH,SU
分类号
(IPC1-7):E21B1/06;E21B5/00
主分类号
(IPC1-7):E21B1/06
代理机构
代理人
主权项
地址
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