CLEANING OF RAILS,申请号CAD903328-传众专利搜索

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发明名称	CLEANING OF RAILS
摘要
申请公布号	CA903328(A)	申请公布日期	1972.06.20
申请号	CAD903328	申请日期
申请人	BRITISH RAILWAYS BOARD	发明人	HARRY H. OGILVY;ELIZABETH M. TUCK;JOHN A. ROSSER;DAVID J. M. DOBBS
分类号	B23K9/00;E01H8/10;(IPC1-7):B23K9/00	主分类号	B23K9/00
代理机构		代理人
主权项
地址

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