| 摘要 |
PROBLEM TO BE SOLVED: To provide a leisure sheet easily stored and hardly blown off by the wind. SOLUTION: Several weight pockets 1, 2 are attached to the edges of a sheet to the size of the leisure sheet, and sand and stones are put therein to constitute the leisure sheet not to be turned up nor blown off even if the wind blows. Further, a load can be stored by attaching a storage bag. COPYRIGHT: (C)2005,JPO&NCIPI
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