Improvements in and relating to the recording of sound,申请号GB19360001563-传众专利搜索

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发明名称	Improvements in and relating to the recording of sound
摘要
申请公布号	GB455122(A)	申请公布日期	1936.10.14
申请号	GB19360001563	申请日期	1936.01.17
申请人	P.J. BORNHAUSER & CIE.	发明人
分类号	G10K13/00	主分类号	G10K13/00
代理机构		代理人
主权项
地址

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