RAILWAY OR TRAMWAY RAIL,申请号CAD308443-传众专利搜索

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发明名称	RAILWAY OR TRAMWAY RAIL
摘要
申请公布号	CA308443(A)	申请公布日期	1931.02.10
申请号	CAD308443	申请日期
申请人	NILS PERCY PATRICK SANDBERG;OSCAR FRIDOLF ALEXANDER SANDBERG;CHRISTER PETER SANDBERG	发明人	NILS PERCY PATRICK SANDBERG;OSCAR FRIDOLF ALEXANDER SANDBERG;CHRISTER PETER SANDBERG
分类号		主分类号
代理机构		代理人
主权项
地址

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