| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a writing body which has excellent writing property and erasing property even on a writing plate wetted by water and by which written writing is water resistant. <P>SOLUTION: The solid writing body comprises at least polyoxyalkylene polyglyceryl ether, a higher alcohol and a coloring agent. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
