Kulkornsmikrofon, ved hvilken det Kulkornene og Elektroderne indesluttende Hylster har elastiske Sidevægge.,申请号DKD57094-传众专利搜索

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发明名称	Kulkornsmikrofon, ved hvilken det Kulkornene og Elektroderne indesluttende Hylster har elastiske Sidevægge.
摘要
申请公布号	DK57094(C)	申请公布日期	1940.01.02
申请号	DKD57094	申请日期	1938.03.24
申请人	STANDARD ELECTRIC AKTIESELSKAB (STANDARD ELECTRIC LTD.)	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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