Awning type window operator,申请号US19460707666-传众专利搜索

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发明名称	Awning type window operator
摘要
申请公布号	US2519234(A)	申请公布日期	1950.08.15
申请号	US19460707666	申请日期	1946.11.04
申请人	DERBY FRANK H	发明人	DERBY FRANK H.
分类号	E05F11/16	主分类号	E05F11/16
代理机构		代理人
主权项
地址

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