| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mask which is excellent in fitness for a user's face. <P>SOLUTION: This mask comprises a main body part 10 for covering the object regions of the user's face, including his/her mouth and nose tip, and locking parts 20 being locked to the user's ears. At least the main body part 10 has stretchability in longitudinal and lateral directions Y and X. <P>COPYRIGHT: (C)2007,JPO&INPIT |
