Tape perforating apparatus,申请号US19530344754-传众专利搜索

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法人/股东/高管

发明名称	Tape perforating apparatus
摘要
申请公布号	US2761509(A)	申请公布日期	1956.09.04
申请号	US19530344754	申请日期	1953.03.26
申请人	RADIO CORPORATION OF AMERICA	发明人	MARSHALL JOHN N.;BAER JOHN S.
分类号	H04L17/08	主分类号	H04L17/08
代理机构		代理人
主权项
地址

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