Improved filing and binding system,申请号GB19500013093-传众专利搜索

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发明名称	Improved filing and binding system
摘要
申请公布号	GB699907(A)	申请公布日期	1953.11.18
申请号	GB19500013093	申请日期	1950.05.25
申请人	PERCY ALBERT CARTER	发明人
分类号	B42F13/42	主分类号	B42F13/42
代理机构		代理人
主权项
地址

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