RAILWAY BALLAST CLEANING SYSTEM,申请号CAD326871-传众专利搜索

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发明名称	RAILWAY BALLAST CLEANING SYSTEM
摘要
申请公布号	CA326871(A)	申请公布日期	1932.10.18
申请号	CAD326871	申请日期
申请人	MAURICE HENRI LEMAIRE	发明人	MAURICE HENRI LEMAIRE
分类号		主分类号
代理机构		代理人
主权项
地址

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