Door frame construction,申请号US19370170890-传众专利搜索

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发明名称	Door frame construction
摘要
申请公布号	US2183879(A)	申请公布日期	1939.12.19
申请号	US19370170890	申请日期	1937.10.25
申请人	CURTIS COMPANIES INCORPORATED	发明人	BEIL FORREST F.;GREEN EARL E.
分类号	E06B1/62	主分类号	E06B1/62
代理机构		代理人
主权项
地址

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