Drilling rod set,申请号PL20070117146U-传众专利搜索

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发明名称	Drilling rod set
摘要
申请公布号	PL117146(U1)	申请公布日期	2009.06.08
申请号	PL20070117146U	申请日期	2007.12.04
申请人	PRZESTRZELSKI DARIUSZ ZAK&LSTROK,AD WYROBOW METALOWYCH CARBONEX	发明人	PRZESTRZELSKI DARIUSZ;KRAKOWSKI MACIEJ
分类号	E21B17/00	主分类号	E21B17/00
代理机构		代理人
主权项
地址

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