Collapsible form for concrete constructions,申请号US19320634237-传众专利搜索

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发明名称	Collapsible form for concrete constructions
摘要
申请公布号	US1947625(A)	申请公布日期	1934.02.20
申请号	US19320634237	申请日期	1932.09.21
申请人	SMITH ROY D	发明人	SMITH ROY D.
分类号	E04G15/06;E04G17/07	主分类号	E04G15/06
代理机构		代理人
主权项
地址

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