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发明名称
PERCUSSIVE HYDRAULIC DEVICE
摘要
申请公布号
SU1437496(A1)
申请公布日期
1988.11.15
申请号
SU19864168389
申请日期
1986.12.26
申请人
DO POLT INSTITUT
发明人
TIMOSHENKO GRIGORIJ M,SU;VVEDENSKIJ VLADIMIR N,SU;SELIVRA SERGEJ A,SU;YATSENKO ALEKSANDR F,SU;SELIVRA ALEKSANDR A,SU
分类号
E21C37/24;B25D9/00
主分类号
E21C37/24
代理机构
代理人
主权项
地址
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