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发明名称
HYDRAULIC PERCUSSIVE MECHANISM
摘要
申请公布号
BG27475(A1)
申请公布日期
1979.11.12
申请号
BG19780040993
申请日期
1978.10.03
申请人
GEORGIEV,GEORGI S.;KRALEV,IVAN G.;RIZOV,VENELIN V.
发明人
GEORGIEV,GEORGI S.;KRALEV,IVAN G.;RIZOV,VENELIN V.
分类号
(IPC1-7):E21C3/20
主分类号
(IPC1-7):E21C3/20
代理机构
代理人
主权项
地址
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