Vertical draft relief,申请号US19630327228-传众专利搜索

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发明名称	Vertical draft relief
摘要
申请公布号	US3200811(A)	申请公布日期	1965.08.17
申请号	US19630327228	申请日期	1963.12.02
申请人	THE C. A. OLSEN MFG. CO.	发明人	JR. LOUIS P. HINE,
分类号	F23M9/00	主分类号	F23M9/00
代理机构		代理人
主权项
地址

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