BALLAST SCREEN DEVICE,申请号JP19910286025-传众专利搜索

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发明名称	BALLAST SCREEN DEVICE
摘要
申请公布号	JPH05125702(A)	申请公布日期	1993.05.21
申请号	JP19910286025	申请日期	1991.10.31
申请人	EAST JAPAN RAILWAY CO;SENKEN KOGYO KK	发明人	TOTSUKA KATSUHIRO;SUGANO KIMIHISA
分类号	E01B27/10	主分类号	E01B27/10
代理机构		代理人
主权项
地址

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