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发明名称
Vibration-damped hydraulic hammer
摘要
申请公布号
GB2237528(A)
申请公布日期
1991.05.08
申请号
GB19900023615
申请日期
1990.10.30
申请人
* BREAKERS A/S
发明人
JOERGEN * SCHOU
分类号
B25D17/04;B25D17/11;E21B1/26;E21B1/38;E21C37/24
主分类号
B25D17/04
代理机构
代理人
主权项
地址
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