| 摘要 |
A fitted top sheet of a generally rectangular blank of fabric material having two bottom corners, each corner cut away by three curved lines to form a junction having an angle of substantially 90 DEG , to each of which a band of stretchable material is sewn, in stretched condition, to the outside edge of the cut corners and along the entire edge portion of the bottom of the blank, which cut corners are then joined by stitching at each corner and bottom edges thereof, thereby forming two expandable pockets for engaging the bottom corners and bottom portion of a mattress.
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