Kapacitetsflade til elektrostatiske Apparater til Lydoptagelse og Lydgengivelse.,申请号DKD52843-传众专利搜索

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发明名称	Kapacitetsflade til elektrostatiske Apparater til Lydoptagelse og Lydgengivelse.
摘要
申请公布号	DK52843(C)	申请公布日期	1937.03.22
申请号	DKD52843	申请日期	1935.12.02
申请人	JOSEPH MASSOLLE G. M. B. H.;FYSIKER, FORRETNINGSFORER JOSEPH MASSOLLE	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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