Multi-stage liquid elevator,申请号AU20010073227-传众专利搜索

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发明名称	Multi-stage liquid elevator
摘要
申请公布号	AU7322701(A)	申请公布日期	2002.01.30
申请号	AU20010073227	申请日期	2001.07.05
申请人	JOHN GAGLIARDI	发明人
分类号	E21B43/12;F04F1/20	主分类号	E21B43/12
代理机构		代理人
主权项
地址

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