Buch mit auf Ringen auswechselbar aufgereihten Blaettern,申请号DED521866D-传众专利搜索

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发明名称	Buch mit auf Ringen auswechselbar aufgereihten Blaettern
摘要
申请公布号	DE521866(C)	申请公布日期	1931.03.28
申请号	DED521866D	申请日期
申请人	HANS WREDE	发明人
分类号	B42F13/16	主分类号	B42F13/16
代理机构		代理人
主权项
地址

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