Air hammer coring apparatus and method,申请号AU20080209294-传众专利搜索

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发明名称	Air hammer coring apparatus and method
摘要
申请公布号	AU2008209294(A1)	申请公布日期	2008.07.31
申请号	AU20080209294	申请日期	2008.01.24
申请人	J.I. LIVINGSTONE ENTERPRISES LTD.	发明人	JAMES I. LIVINGSTONE
分类号	E21B25/00	主分类号	E21B25/00
代理机构		代理人
主权项
地址

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