| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bulletin attachment detachment implement equipped with shafts on a back plate. <P>SOLUTION: A powerful magnet is attached to the back plate in which holes for screwing are opened. The shafts are equipped on the front side. The bulletin attachment detachment implement has the function of fixing and releasing by the tips and covering part. <P>COPYRIGHT: (C)2012,JPO&INPIT |
