Wear and reinforcing member for concrete floors,申请号US19400313153-传众专利搜索

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发明名称	Wear and reinforcing member for concrete floors
摘要
申请公布号	US2271920(A)	申请公布日期	1942.02.03
申请号	US19400313153	申请日期	1940.01.10
申请人	LACHMAN LAURENCE S	发明人	LACHMAN LAURENCE S.
分类号	E04C5/06	主分类号	E04C5/06
代理机构		代理人
主权项
地址

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