PERFECTIONNEMENT AUX SYSTEMES ELECTRO-ACOUSTIQUES,申请号BE19776046119-传众专利搜索

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发明名称	PERFECTIONNEMENT AUX SYSTEMES ELECTRO-ACOUSTIQUES
摘要
申请公布号	BE857980(A1)	申请公布日期	1977.12.16
申请号	BE19776046119	申请日期	1977.08.19
申请人	DICKENSCHEID MICHEL;VAN DIJK AART	发明人
分类号	H04S5/00;(IPC1-7):H04R/	主分类号	H04S5/00
代理机构		代理人
主权项
地址

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