Casement sash with concealed shades,申请号US19320616870-传众专利搜索

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发明名称	Casement sash with concealed shades
摘要
申请公布号	US1930042(A)	申请公布日期	1933.10.10
申请号	US19320616870	申请日期	1932.06.13
申请人	LEOPOLD DONOSA	发明人	DONOSA LEOPOLD
分类号	E06B9/50	主分类号	E06B9/50
代理机构		代理人
主权项
地址

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