sonda de perfuração de peso leve modular.,申请号BR20010007385-传众专利搜索

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发明名称	sonda de perfuração de peso leve modular.
摘要
申请公布号	BR0107385(B1)	申请公布日期	2009.05.05
申请号	BR20010007385	申请日期	2001.01.03
申请人		发明人	JAN JORTVEIT
分类号	E21B15/00	主分类号	E21B15/00
代理机构		代理人
主权项
地址

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