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发明名称
PERCUSSIVE DEVICE
摘要
申请公布号
SU582387(A1)
申请公布日期
1977.11.30
申请号
SU19762377449
申请日期
1976.06.24
申请人
GOROKHOV ROMAN A,SU;KOZHEVNIKOV LEONID P,SU;KRIVOSHCHEKOV EVGENIJ YA,SU
发明人
GOROKHOV ROMAN A,SU;KOZHEVNIKOV LEONID P,SU;KRIVOSHCHEKOV EVGENIJ YA,SU
分类号
E21C37/22;B25D17/00;E21C27/01;(IPC1-7):E21C3/00
主分类号
E21C37/22
代理机构
代理人
主权项
地址
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