发明名称 WRITING MATERIAL FOR DRAWING DOUBLE LINE
摘要 PROBLEM TO BE SOLVED: To provide a writing material for drawing a stable double line alone and a beautiful large letter or pattern without using a lot of ink.SOLUTION: A writing material 1 includes two writing portions 2 disposed at a tip at an interval of 3 mm or less.
申请公布号 JP2013233783(A) 申请公布日期 2013.11.21
申请号 JP20120118006 申请日期 2012.05.08
申请人 MORI TOSHIHIKO 发明人 MORI TOSHIHIKO
分类号 B43K1/08;B43K1/02;B43K7/02 主分类号 B43K1/08
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