Double-hung reversible metal window construction,申请号US19280322444-传众专利搜索

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发明名称	Double-hung reversible metal window construction
摘要
申请公布号	US1760072(A)	申请公布日期	1930.05.27
申请号	US19280322444	申请日期	1928.11.28
申请人	LEA WILLIAM C	发明人	LEA WILLIAM C.
分类号	E06B3/50	主分类号	E06B3/50
代理机构		代理人
主权项
地址

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