NOISE PREVENTION DEVICE FOR RAIL,申请号JP19900216386-传众专利搜索

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发明名称	NOISE PREVENTION DEVICE FOR RAIL
摘要
申请公布号	JPH04102601(A)	申请公布日期	1992.04.03
申请号	JP19900216386	申请日期	1990.08.16
申请人	SEKIYAMA YOSHINORI	发明人	SEKIYAMA YOSHINORI
分类号	E01B19/00	主分类号	E01B19/00
代理机构		代理人
主权项
地址

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