Excavating a mine shaft,申请号AU20010016773-传众专利搜索

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发明名称	Excavating a mine shaft
摘要
申请公布号	AU778801(B2)	申请公布日期	2004.12.23
申请号	AU20010016773	申请日期	2001.02.01
申请人	J.S. REDPATH LIMITED	发明人	JOHN NICHOLAS DE LA VERGNE
分类号	E21D9/12;(IPC1-7):E21D9/12	主分类号	E21D9/12
代理机构		代理人
主权项
地址

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