Ventilating duct damper,申请号US19640394768-传众专利搜索

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发明名称	Ventilating duct damper
摘要
申请公布号	US3283691(A)	申请公布日期	1966.11.08
申请号	US19640394768	申请日期	1964.09.08
申请人	WILLIAM REITER	发明人	REITER WILLIAM
分类号	A62C2/06;F24F13/10	主分类号	A62C2/06
代理机构		代理人
主权项
地址

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