Throttling device for flue of fired installation - is butterfly valve actuating burner start-up relay when opened also closing downstream vent,申请号DE19803031023-传众专利搜索

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发明名称	Throttling device for flue of fired installation - is butterfly valve actuating burner start-up relay when opened also closing downstream vent
摘要
申请公布号	DE3031023(A1)	申请公布日期	1981.03.12
申请号	DE19803031023	申请日期	1980.08.16
申请人	KNUTHSEN,SVEND AAGE	发明人	AAGE KNUTHSEN,SVEND
分类号	F23L11/00;(IPC1-7):23L13/00	主分类号	F23L11/00
代理机构		代理人
主权项
地址

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