COMPRESSED AIR PERCUSSIVE MECHANISM FOR A DOWN HOLE HAMMER AND DOWN HOLE HAMMER,申请号EP20020791157-传众专利搜索

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发明名称	COMPRESSED AIR PERCUSSIVE MECHANISM FOR A DOWN HOLE HAMMER AND DOWN HOLE HAMMER
摘要
申请公布号	EP1468163(B1)	申请公布日期	2006.07.05
申请号	EP20020791157	申请日期	2002.11.29
申请人	ATLAS COPCO SECOROC AB	发明人	EKWALL, BERNDT;JAKOBSSON, TORBJOERN
分类号	E21B4/14;B25D9/26	主分类号	E21B4/14
代理机构		代理人
主权项
地址

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