PERCUSSIVE DOWN-THE-HOLE HAMMER FOR ROCK DRILLING, A TOP SUB USED THEREIN AND A METHOD FOR ADJUSTING AIR PRESSURE,申请号EP20010963671-传众专利搜索

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发明名称	PERCUSSIVE DOWN-THE-HOLE HAMMER FOR ROCK DRILLING, A TOP SUB USED THEREIN AND A METHOD FOR ADJUSTING AIR PRESSURE
摘要
申请公布号	EP1315880(B1)	申请公布日期	2006.11.02
申请号	EP20010963671	申请日期	2001.09.06
申请人	SANDVIK INTELLECTUAL PROPERTY AB	发明人	SHOFNER, MATTHEW, FLOYD
分类号	E21B4/14	主分类号	E21B4/14
代理机构		代理人
主权项
地址

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