SHAFT SEAL DEVICE FOR PUMP,申请号JP19860219537-传众专利搜索

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发明名称	SHAFT SEAL DEVICE FOR PUMP
摘要
申请公布号	JPS6375394(A)	申请公布日期	1988.04.05
申请号	JP19860219537	申请日期	1986.09.19
申请人	HITACHI LTD	发明人	NAGASAWA SHIGENOBU
分类号	F04D29/10;F04D13/00	主分类号	F04D29/10
代理机构		代理人
主权项
地址

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