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经营范围
发明名称
PERCUSSIVE HYDRAULIC DRILL
摘要
申请公布号
GB1531065(A)
申请公布日期
1978.11.01
申请号
GB19760045594
申请日期
1976.11.02
申请人
MONTABERT R
发明人
分类号
B25D9/12;B25D17/08;B25D17/24;E21B1/38;(IPC1-7):B25D9/04
主分类号
B25D9/12
代理机构
代理人
主权项
地址
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