Improvements in or relating to books or binders,申请号GB19440018885-传众专利搜索

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发明名称	Improvements in or relating to books or binders
摘要
申请公布号	GB591905(A)	申请公布日期	1947.09.02
申请号	GB19440018885	申请日期	1944.10.03
申请人	CONRAD HIRSCH	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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