Multiple pen comprising a plurality of writing points of different colours,申请号GB19650001622-传众专利搜索

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发明名称	Multiple pen comprising a plurality of writing points of different colours
摘要
申请公布号	GB1020978(A)	申请公布日期	1966.02.23
申请号	GB19650001622	申请日期	1965.01.14
申请人	REAL PATENTAUSWERTUNGS-ANSTALT	发明人
分类号	B43K24/16	主分类号	B43K24/16
代理机构		代理人
主权项
地址

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