Negativ-impedans konverter.,申请号DK19500002056-传众专利搜索

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发明名称	Negativ-impedans konverter.
摘要
申请公布号	DK78935(C)	申请公布日期	1955.03.07
申请号	DK19500002056	申请日期	1950.06.20
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	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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