SOUND TRANSMISSION SYSTEM,申请号GB19840025614-传众专利搜索

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发明名称	SOUND TRANSMISSION SYSTEM
摘要
申请公布号	GB8425614(D0)	申请公布日期	1984.11.14
申请号	GB19840025614	申请日期	1984.10.10
申请人	DEUTSCHE POST	发明人
分类号	H04R3/00;H04R3/12;H04S3/00	主分类号	H04R3/00
代理机构		代理人
主权项
地址

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