An improved gas extracting terminal for a flue or ventilating duct,申请号GB19370014150-传众专利搜索

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发明名称	An improved gas extracting terminal for a flue or ventilating duct
摘要
申请公布号	GB476029(A)	申请公布日期	1937.11.30
申请号	GB19370014150	申请日期	1937.05.21
申请人	JOHN CHARLES SNELLING;WILLIAM JAMES DOREY	发明人
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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