An improved loose-leaf holder,申请号GB19410008056-传众专利搜索

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发明名称	An improved loose-leaf holder
摘要
申请公布号	GB549157(A)	申请公布日期	1942.11.09
申请号	GB19410008056	申请日期	1941.06.26
申请人	MORLAND & IMPEY LIMITED;RONALD BRAITHWAITE	发明人
分类号	B42F13/12	主分类号	B42F13/12
代理机构		代理人
主权项
地址

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