Air duct control for heating systems,申请号US19430511629-传众专利搜索

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法人/股东/高管

发明名称	Air duct control for heating systems
摘要
申请公布号	US2397672(A)	申请公布日期	1946.04.02
申请号	US19430511629	申请日期	1943.11.24
申请人	LEIGH ROBERT L	发明人	LEIGH ROBERT L.
分类号	F24F13/15	主分类号	F24F13/15
代理机构		代理人
主权项
地址

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