A THREAD JOINT FOR A DRILL STRING FOR PERCUSSIVE ROCK-DRILLING,申请号KR20047018870-传众专利搜索

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发明名称	A THREAD JOINT FOR A DRILL STRING FOR PERCUSSIVE ROCK-DRILLING
摘要
申请公布号	KR20050016424(A)	申请公布日期	2005.02.21
申请号	KR20047018870	申请日期	2003.05.09
申请人		发明人
分类号	E21B17/042;F16B33/02;(IPC1-7):E21B17/042	主分类号	E21B17/042
代理机构		代理人
主权项
地址

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