| 摘要 |
PROBLEM TO BE SOLVED: To feed and hold a sheet cover on a lavatory seat. SOLUTION: Both ends of a sheet cover 4 are held while being pierced through by rotating a spiral wire in a pipe 3 with two slits inside and outside a lavatory seat and the sheet cover 4 is fed and held on the lavatory seat by moving it in the slits the pipe 3.
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