ACOUSTIC SPEAKER DEVICE,申请号AP19900000184-传众专利搜索

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发明名称	ACOUSTIC SPEAKER DEVICE
摘要
申请公布号	AP9000184(D0)	申请公布日期	1990.07.31
申请号	AP19900000184	申请日期	1990.06.15
申请人	AMNEUS ENGINEERING	发明人
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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