RAILROAD PLATE AND SPIKE,申请号CAD449457-传众专利搜索

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发明名称	RAILROAD PLATE AND SPIKE
摘要
申请公布号	CA449457(A)	申请公布日期	1948.06.29
申请号	CAD449457	申请日期
申请人	HENRY LOUIS TILLY	发明人	HENRY LOUIS TILLY
分类号		主分类号
代理机构		代理人
主权项
地址

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