Elektroakustischer Wandler,申请号ATD163967-传众专利搜索

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发明名称	Elektroakustischer Wandler
摘要
申请公布号	AT163967(B)	申请公布日期	1949.09.10
申请号	ATD163967	申请日期	1947.11.29
申请人	HENRY-RADIO HEINRICH & CO.	发明人	ING. FRIEDRICH ANDRUSKO;DIPL. ING. WALTER FIALA
分类号		主分类号
代理机构		代理人
主权项
地址

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