SCREW TYPE DRY VACUUM PUMP,申请号JP19910333455-传众专利搜索

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发明名称	SCREW TYPE DRY VACUUM PUMP
摘要
申请公布号	JPH05164076(A)	申请公布日期	1993.06.29
申请号	JP19910333455	申请日期	1991.12.17
申请人	HITACHI LTD	发明人	NAYA KOTARO;SHIIKI KAZUAKI;UCHIDA RIICHI;SATO EIICHI;KAMETANI HIROCHIKA
分类号	F04C18/16;F04C25/02	主分类号	F04C18/16
代理机构		代理人
主权项
地址

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