Baffle for loud speakers,申请号US19330702597-传众专利搜索

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发明名称	Baffle for loud speakers
摘要
申请公布号	US2005300(A)	申请公布日期	1935.06.18
申请号	US19330702597	申请日期	1933.12.15
申请人	PFALZER ARTHUR M	发明人	PFALZER ARTHUR M.
分类号	H04R1/28	主分类号	H04R1/28
代理机构		代理人
主权项
地址

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