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发明名称
HYDRAULIC PERCUSSIVE MECHANISM
摘要
申请公布号
SU1506102(A1)
申请公布日期
1989.09.07
申请号
SU19874341705
申请日期
1987.12.11
申请人
KI INZH-STR INSTITUT
发明人
PRISTAJLO YURIJ P,SU;ZELENSKIJ YURIJ G,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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