Apparatus for cleaning railway track ballast,申请号GB19630014823-传众专利搜索

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发明名称	Apparatus for cleaning railway track ballast
摘要
申请公布号	GB1014902(A)	申请公布日期	1965.12.31
申请号	GB19630014823	申请日期	1963.04.16
申请人	GOTTFRIED HOFELS	发明人
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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