Air volume control sound trap,申请号US19650471691-传众专利搜索

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发明名称	Air volume control sound trap
摘要
申请公布号	US3319559(A)	申请公布日期	1967.05.16
申请号	US19650471691	申请日期	1965.07.13
申请人	THE PYLE-NATIONAL COMPANY	发明人	RAIDER GEORGE K.;LITTLE EDMUND J.
分类号	F24F13/078;F24F13/10	主分类号	F24F13/078
代理机构		代理人
主权项
地址

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