(B2) ;FREE-FLOW PUMP IMPELLER,申请号PL19800228621-传众专利搜索

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发明名称	(B2) ;FREE-FLOW PUMP IMPELLER
摘要
申请公布号	PL228621(A2)	申请公布日期	1981.10.30
申请号	PL19800228621	申请日期	1980.12.19
申请人	POLITECHNIKA SLASKA IM WINCENT	发明人	ROKITA JERZY;PLEWA RYSZARD
分类号	F04D;F04D29/18;(IPC1-7):F04D/	主分类号	F04D
代理机构		代理人
主权项
地址

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