SCREW FIN FOR SCREW RETARDER,申请号JP19780040500-传众专利搜索

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发明名称	SCREW FIN FOR SCREW RETARDER
摘要
申请公布号	JPS54132911(A)	申请公布日期	1979.10.16
申请号	JP19780040500	申请日期	1978.04.06
申请人	JAPAN NATIONAL RAILWAY;KAYABA INDUSTRY CO LTD	发明人	MURATO KENICHI;KOBAYASHI HIDEO;HARA KOUICHI;KONDOU NOBUO
分类号	B61K7/02	主分类号	B61K7/02
代理机构		代理人
主权项
地址

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