Mold for molding concrete ties,申请号US19500146425-传众专利搜索

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发明名称	Mold for molding concrete ties
摘要
申请公布号	US2611171(A)	申请公布日期	1952.09.23
申请号	US19500146425	申请日期	1950.02.27
申请人	WILSON JOHN M	发明人	WILSON JOHN M.
分类号	B28B7/24	主分类号	B28B7/24
代理机构		代理人
主权项
地址

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