Air duct and method of making same,申请号US19960652894-传众专利搜索

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发明名称	Air duct and method of making same
摘要	An air conveying duct has a foam core sealed on the inside and reinforced on the outside. The duct absorbs noise and neither introduces impurities into the air nor collects impurities from the air.
申请公布号	US5918644(A)	申请公布日期	1999.07.06
申请号	US19960652894	申请日期	1996.05.23
申请人	HAACK, C. WILLIAM;NIXON, MICHAEL T.	发明人	HAACK, C. WILLIAM;NIXON, MICHAEL T.
分类号	F16L9/00;F24F13/02;(IPC1-7):F16L9/14	主分类号	F16L9/00
代理机构		代理人
主权项
地址

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