| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the inconvenience of a loose-leaf note book to carry around, wherein its appearance is unattractive due to its thickness and heaviness with its sheet being too thick and heavy because, in order to hold a plurality of pens on the loose-leaf sheet, the sheet itself must be formed strong and thick. <P>SOLUTION: A sheet for a loose-leaf note book is freely attached to and detached from a loose-leaf binder, and a plurality of refills of a writing utensil are provided in a free extraction-and-insertion manner on the sheet itself. <P>COPYRIGHT: (C)2011,JPO&INPIT |
