Chimney cowl,申请号US19510240116-传众专利搜索

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发明名称	Chimney cowl
摘要
申请公布号	US2660106(A)	申请公布日期	1953.11.24
申请号	US19510240116	申请日期	1951.08.03
申请人	GRAY ARTHUR W	发明人	GRAY ARTHUR W.
分类号	F23L17/02	主分类号	F23L17/02
代理机构		代理人
主权项
地址

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