Metal construction section,申请号US19320602455-传众专利搜索

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发明名称	Metal construction section
摘要
申请公布号	US1960961(A)	申请公布日期	1934.05.29
申请号	US19320602455	申请日期	1932.04.01
申请人	THOMAS CHARLES W	发明人	THOMAS CHARLES W.
分类号	E04B2/72;E04B2/78;E04B2/84	主分类号	E04B2/72
代理机构		代理人
主权项
地址

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