Screen-frame construction,申请号US19300438483-传众专利搜索

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发明名称	Screen-frame construction
摘要
申请公布号	US1779859(A)	申请公布日期	1930.10.28
申请号	US19300438483	申请日期	1930.03.24
申请人	SHRAUGER DARIUS E	发明人	SHRAUGER DARIUS E.
分类号	E06B9/52	主分类号	E06B9/52
代理机构		代理人
主权项
地址

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