Double head reinforcing rod for pre-stress concrete,申请号US19520293722-传众专利搜索

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发明名称	Double head reinforcing rod for pre-stress concrete
摘要
申请公布号	US2804674(A)	申请公布日期	1957.09.03
申请号	US19520293722	申请日期	1952.06.16
申请人	LONG CONSTRUCTION COMPANY	发明人	LONG MARSHALL
分类号	E04C5/12	主分类号	E04C5/12
代理机构		代理人
主权项
地址

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