SEALING ELEMENT FOR A TUBEWRITING PEN,申请号GB19770011211-传众专利搜索

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发明名称	SEALING ELEMENT FOR A TUBEWRITING PEN
摘要
申请公布号	GB1576025(A)	申请公布日期	1980.10.01
申请号	GB19770011211	申请日期	1977.03.16
申请人	ROTRING WERKE RIEPE KG	发明人
分类号	B43K23/08;B43K8/16;B43K23/12;(IPC1-7):B43K9/00	主分类号	B43K23/08
代理机构		代理人
主权项
地址

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