Loud speaker construction,申请号US19620236621-传众专利搜索

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发明名称	Loud speaker construction
摘要
申请公布号	US3198283(A)	申请公布日期	1965.08.03
申请号	US19620236621	申请日期	1962.11.09
申请人	SIERRA SPUN METALS, INC.	发明人	WOODS JOHN W.
分类号	H04R7/14	主分类号	H04R7/14
代理机构		代理人
主权项
地址

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