NONTURBULENT FIRE DAMPER,申请号USD3504615-传众专利搜索

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发明名称	NONTURBULENT FIRE DAMPER
摘要
申请公布号	US3504615(A)	申请公布日期	1970.04.07
申请号	USD3504615	申请日期	1968.06.07
申请人	AIR BALANCE INC.	发明人	JOHN C. KURZ
分类号	A62C2/16;E04B1/94;F16L55/04;F24F13/10;(IPC1-7):F16K13/04	主分类号	A62C2/16
代理机构		代理人
主权项
地址

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