Window frame and double sash unit,申请号US19450582192-传众专利搜索

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发明名称	Window frame and double sash unit
摘要
申请公布号	US2471685(A)	申请公布日期	1949.05.31
申请号	US19450582192	申请日期	1945.03.12
申请人	HENDERSON PRENTICE M;GATTER LOUIS H	发明人	HENDERSON PRENTICE M.;GATTER LOUIS H.
分类号	E06B3/44	主分类号	E06B3/44
代理机构		代理人
主权项
地址

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