Clamping means for folders,申请号US19380184336-传众专利搜索

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发明名称	Clamping means for folders
摘要
申请公布号	US2135013(A)	申请公布日期	1938.11.01
申请号	US19380184336	申请日期	1938.01.10
申请人	ELSE NITZ;JOHANNA HAGEMANN	发明人	NITZ ELSE;HAGEMANN JOHANNA
分类号	B42F11/02	主分类号	B42F11/02
代理机构		代理人
主权项
地址

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