| 摘要 |
PROBLEM TO BE SOLVED: To provide a mat causing no unpleasant feeling such as pressure and numbness, even if arms are inserted under a head part and the body of a mate, when persons sleep in an embracing state on the mat used as conventional bedding. SOLUTION: Grooves 2, 3 and 4 are arranged in the mat 1, so that the arms are not pressed by the body of the mate, when the persons sleep in an embracing state. COPYRIGHT: (C)2005,JPO&NCIPI
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