Rock breaking unit and apparatus.,申请号AP20030002935-传众专利搜索

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发明名称	Rock breaking unit and apparatus.
摘要
申请公布号	AP200302935(D0)	申请公布日期	2003.12.31
申请号	AP20030002935	申请日期	2002.12.16
申请人	JERVENT MINING 7 INDUSTRIAL SUPPLIES CC.	发明人
分类号	E21B;(IPC1-7):E21B	主分类号	E21B
代理机构		代理人
主权项
地址

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