CLEANING MACHINE OF BED BALLAST IN TRACK,申请号JP19870154470-传众专利搜索

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法人/股东/高管

发明名称	CLEANING MACHINE OF BED BALLAST IN TRACK
摘要
申请公布号	JPS641803(A)	申请公布日期	1989.01.06
申请号	JP19870154470	申请日期	1987.06.23
申请人	RAILWAY TECHNICAL RES INST	发明人	KATAYAMA MORIHIKO;TAKAGI KINAI;SATO MASAO
分类号	E01B27/04	主分类号	E01B27/04
代理机构		代理人
主权项
地址

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