Single magnet reperforator,申请号US19290411122-传众专利搜索

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发明名称	Single magnet reperforator
摘要
申请公布号	US1884743(A)	申请公布日期	1932.10.25
申请号	US19290411122	申请日期	1929.12.02
申请人	TELETYPE CORPORATION	发明人	KLEINSCHMIDT EDWARD E.
分类号	H04L17/20	主分类号	H04L17/20
代理机构		代理人
主权项
地址

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