| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bed with a noiseless air cleaner. <P>SOLUTION: The bed 10 is structured by making an electret nonwoven fabric sheet 32 as an air cleaner 30 attachable to and detachable from an appropriate position of a frame 12 on which a mattress 20 is mounted and/or an adjacent member 14 of the frame 12 and mounting the other electret nonwoven fabric sheet 132 as an auxiliary air cleaner on the mattress 20. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
