Improvements in or relating to flue dampers,申请号GB19310008128-传众专利搜索

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发明名称	Improvements in or relating to flue dampers
摘要
申请公布号	GB372030(A)	申请公布日期	1932.05.05
申请号	GB19310008128	申请日期	1931.03.17
申请人	O'BRIEN THOMAS & COMPANY LIMITED;ARTHUR PERCY HARROP	发明人
分类号	F23L13/00	主分类号	F23L13/00
代理机构		代理人
主权项
地址

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