发明名称 Writing implement
摘要 Liquid-for-ink 50 and a main part of colorant 60 for coloring the liquid-for-ink 50 are separately stored within a writing implement. The writing implement is so fabricated that the colorant 60 is added to the liquid-for-ink 50 while the liquid-for-ink 50 is introduced to a writing tip 70.
申请公布号 US2003081981(A1) 申请公布日期 2003.05.01
申请号 US20020221773 申请日期 2002.09.17
申请人 IIDA HISASHI;OKUMURA SHIGERU 发明人 IIDA HISASHI;OKUMURA SHIGERU
分类号 B43K5/03;B43K5/18;B43K7/10;B43K8/04;(IPC1-7):B43K5/02 主分类号 B43K5/03
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