SEALING MEMBER FOR SEALING MAGNETIC FLUID,申请号EP19890904231-传众专利搜索

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法人/股东/高管

发明名称	SEALING MEMBER FOR SEALING MAGNETIC FLUID
摘要
申请公布号	EP0364604(A4)	申请公布日期	1990.10.24
申请号	EP19890904231	申请日期	1989.03.31
申请人	NIPPON FERROFLUIDICS CORPORATION	发明人	ISHIKAWA, RYUHEI NIPPON FERROFLUIDICS CORPORATION
分类号	F16J15/43;H01F7/02;(IPC1-7):F16J15/40	主分类号	F16J15/43
代理机构		代理人
主权项
地址

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