LOUDSPEAKERS HAVING A CONICAL DIAPHRAGM,申请号CAD534840-传众专利搜索

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发明名称	LOUDSPEAKERS HAVING A CONICAL DIAPHRAGM
摘要
申请公布号	CA534840(A)	申请公布日期	1956.12.25
申请号	CAD534840	申请日期
申请人	THE GENERAL ELECTRIC COMPANY LIMITED	发明人	FRANCIS H. BRITTAIN
分类号		主分类号
代理机构		代理人
主权项
地址

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