ELECTRO-ACOUSTIC TRANSDUCERS,申请号CAD664672-传众专利搜索

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发明名称	ELECTRO-ACOUSTIC TRANSDUCERS
摘要
申请公布号	CA664672(A)	申请公布日期	1963.06.11
申请号	CAD664672	申请日期
申请人	ASSOCIATED ELECTRICAL INDUSTRIES (WOOLWICH) LIMITED	发明人	RONALD E. C. BROWN
分类号		主分类号
代理机构		代理人
主权项
地址

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