Improvements in loose leaf binders,申请号GB19400006851-传众专利搜索

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发明名称	Improvements in loose leaf binders
摘要
申请公布号	GB535549(A)	申请公布日期	1941.04.11
申请号	GB19400006851	申请日期	1940.04.16
申请人	ALFRED AUGUSTUS THORNTON	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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