ARRANGEMENT FOR CLEANING RAIL TRACK SWITCHES FROM SNOW,申请号SU19874205874-传众专利搜索

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发明名称	ARRANGEMENT FOR CLEANING RAIL TRACK SWITCHES FROM SNOW
摘要
申请公布号	SU1463842(A1)	申请公布日期	1989.03.07
申请号	SU19874205874	申请日期	1987.03.06
申请人	OLENEV EVGENIJ A,SU	发明人	OLENEV EVGENIJ A,SU
分类号	E01H8/10	主分类号	E01H8/10
代理机构		代理人
主权项
地址

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