Single-hole paper punch,申请号GB19810023387-传众专利搜索

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发明名称	Single-hole paper punch
摘要
申请公布号	GB2102738(A)	申请公布日期	1983.02.09
申请号	GB19810023387	申请日期	1981.07.30
申请人	LOUIS * LEITZ	发明人	ROLAND * WURTHNER
分类号	B42F13/36;B42F13/40;(IPC1-7):B42F13/40	主分类号	B42F13/36
代理机构		代理人
主权项
地址

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