Ventilating window sash,申请号US19370128729-传众专利搜索

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发明名称	Ventilating window sash
摘要
申请公布号	US2166445(A)	申请公布日期	1939.07.18
申请号	US19370128729	申请日期	1937.03.03
申请人	MCCLURE HUGH M	发明人	MCCLURE HUGH M.
分类号	E06B7/26	主分类号	E06B7/26
代理机构		代理人
主权项
地址

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