DEVICE FOR REMOVING BALLAST FROM UNDER TRACK RAIL FLANGE,申请号SU19904881714-传众专利搜索

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发明名称	DEVICE FOR REMOVING BALLAST FROM UNDER TRACK RAIL FLANGE
摘要
申请公布号	SU1754831(A1)	申请公布日期	1992.08.15
申请号	SU19904881714	申请日期	1990.11.11
申请人	TS PK T BYURO PROMYSHLENNOGO TRANSPORTA CHERNOJ METALLURGII	发明人	TRUSHCHELEV MIKHAIL I,SU;VOLKOV SERGEJ A,SU
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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