| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mask holding water for a long period of time and surely preventing drying of the throat during sleep. <P>SOLUTION: The absorptive core is attached to the mask, can hold a water retention liquid, and has a fiber raw material with Metsuke (weight per unit area) of 200-1,000 g/m<SP>2</SP>. <P>COPYRIGHT: (C)2011,JPO&INPIT |
