Automatic registering device for impulse series,申请号US19450629605-传众专利搜索

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发明名称	Automatic registering device for impulse series
摘要
申请公布号	US2552719(A)	申请公布日期	1951.05.15
申请号	US19450629605	申请日期	1945.11.19
申请人	TELEFONAKTIEBOLAGET L M ERICSSON	发明人	JACOBAEUS ANTON CHRISTIAN
分类号	H04Q3/00	主分类号	H04Q3/00
代理机构		代理人
主权项
地址

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