Improvements relating to loose leaf binders,申请号GB19490003918-传众专利搜索

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发明名称	Improvements relating to loose leaf binders
摘要
申请公布号	GB661466(A)	申请公布日期	1951.11.21
申请号	GB19490003918	申请日期	1949.02.14
申请人	C. H. HARE & SON LIMITED;WILLIAM GEORGE HARRINGTON	发明人
分类号	B42F13/28	主分类号	B42F13/28
代理机构		代理人
主权项
地址

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