Improvements in or relating to book-leaf holders and bookmarkers,申请号GB19320017891-传众专利搜索

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发明名称	Improvements in or relating to book-leaf holders and bookmarkers
摘要
申请公布号	GB400348(A)	申请公布日期	1933.10.26
申请号	GB19320017891	申请日期	1932.06.24
申请人	ARTHUR BLADES INGAMELLS	发明人
分类号	B42D9/00	主分类号	B42D9/00
代理机构		代理人
主权项
地址

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