Support and spacer for concrete reinforcements,申请号US19380206681-传众专利搜索

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法人/股东/高管

发明名称	Support and spacer for concrete reinforcements
摘要
申请公布号	US2188424(A)	申请公布日期	1940.01.30
申请号	US19380206681	申请日期	1938.05.07
申请人	POWELL AWBREY WILLIAM	发明人	AWBREY WILLIAM POWELL
分类号	E04C5/18	主分类号	E04C5/18
代理机构		代理人
主权项
地址

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