Pressurized fluid flow system for a reverse circulation down-the-hole hammer and hammer thereof,申请号AP20130007038-传众专利搜索

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发明名称	Pressurized fluid flow system for a reverse circulation down-the-hole hammer and hammer thereof
摘要
申请公布号	AP201307038(D0)	申请公布日期	2013.08.31
申请号	AP20130007038	申请日期	2013.08.14
申请人	DRILLCO TOOLS SA	发明人	AROS JAIME ADRES
分类号	E21B23/01	主分类号	E21B23/01
代理机构		代理人
主权项
地址

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