TELEPHONE SET USABLE AS ACOUSTIC COUPLER,申请号GB19880016430-传众专利搜索

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发明名称	TELEPHONE SET USABLE AS ACOUSTIC COUPLER
摘要
申请公布号	GB8816430(D0)	申请公布日期	1988.08.17
申请号	GB19880016430	申请日期	1988.07.11
申请人	NISSEI OPTO CO LTD	发明人
分类号	H04M1/215	主分类号	H04M1/215
代理机构		代理人
主权项
地址

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