Improvements in and relating to document binding devices,申请号GB19320032571-传众专利搜索

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发明名称	Improvements in and relating to document binding devices
摘要
申请公布号	GB386689(A)	申请公布日期	1933.01.18
申请号	GB19320032571	申请日期	1931.07.18
申请人	WALTER JAMES SIMMONDS	发明人
分类号	B42F13/08	主分类号	B42F13/08
代理机构		代理人
主权项
地址

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