Improvements in or relating to helical rotor pumps,申请号AU19940068885-传众专利搜索

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发明名称	Improvements in or relating to helical rotor pumps
摘要
申请公布号	AU6888594(A)	申请公布日期	1995.02.16
申请号	AU19940068885	申请日期	1994.08.03
申请人	LUDWIG SCHWALL	发明人	LUDWIG SCHWALL
分类号	F04C2/107;F04C5/00	主分类号	F04C2/107
代理机构		代理人
主权项
地址

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