Anordning ved trådtelegrafoner.,申请号DK19490003158-传众专利搜索

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发明名称	Anordning ved trådtelegrafoner.
摘要
申请公布号	DK72386(C)	申请公布日期	1951.04.09
申请号	DK19490003158	申请日期	1949.09.22
申请人	BANG & OLUFSEN AKTIESELSKAB	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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