Air directing device or nozzle for use in ventilating systems,申请号US19380217686-传众专利搜索

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发明名称	Air directing device or nozzle for use in ventilating systems
摘要
申请公布号	US2197614(A)	申请公布日期	1940.04.16
申请号	US19380217686	申请日期	1938.07.06
申请人	HALL & KAY, LIMITED	发明人	HALL SYDNEY;MYERS ALFRED
分类号	F24F13/06;F24F13/10	主分类号	F24F13/06
代理机构		代理人
主权项
地址

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