BIT ASSEMBLY FOR A DOWN-THE-HOLE HAMMER DRILL,申请号KR20127005839-传众专利搜索

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发明名称	BIT ASSEMBLY FOR A DOWN-THE-HOLE HAMMER DRILL
摘要
申请公布号	KR20120076344(A)	申请公布日期	2012.07.09
申请号	KR20127005839	申请日期	2010.08.05
申请人	GIEN BERNARD LIONEL	发明人	GIEN BERNARD LIONEL
分类号	E21B4/14;E21B10/36	主分类号	E21B4/14
代理机构		代理人
主权项
地址

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