Operating means for ventilating sashes,申请号US19290349339-传众专利搜索

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发明名称	Operating means for ventilating sashes
摘要
申请公布号	US1876942(A)	申请公布日期	1932.09.13
申请号	US19290349339	申请日期	1929.03.23
申请人	VENTRITE, INC.	发明人	HUCKE CHARLES H.
分类号	E05F11/14	主分类号	E05F11/14
代理机构		代理人
主权项
地址

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