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经营范围
发明名称
HYDRAULIC PERCUSSIVE DEVICE
摘要
申请公布号
SU1461902(A1)
申请公布日期
1989.02.28
申请号
SU19874195340
申请日期
1987.02.13
申请人
DO POLT INSTITUT
发明人
TIMOSHENKO GRIGORIJ M,SU;SELIVRA SERGEJ A,SU;YATSENKO ALEKSANDR F,SU;GULIN VALERIJ V,SU;USTIMENKO TATYANA A,SU
分类号
E21C37/00;E01C19/05
主分类号
E21C37/00
代理机构
代理人
主权项
地址
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