VACUUM PUMP,申请号JP19900107596-传众专利搜索

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发明名称	VACUUM PUMP
摘要
申请公布号	JPH048896(A)	申请公布日期	1992.01.13
申请号	JP19900107596	申请日期	1990.04.25
申请人	HITACHI LTD	发明人	NAGAOKA TAKASHI;MASE MASAHIRO
分类号	F04D19/04	主分类号	F04D19/04
代理机构		代理人
主权项
地址

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