| 摘要 |
In the storage and utilization of disposable bedding materials as for example for institutional usage, comprising bedding materials roll secured to a portable bed, which includes tensioning therefor, whereby the lowermost of two bedding materials such as sheets are held in stretched relation to the mattress of a bed, the system to include means for shifting used portions, for cutting same while simultaneously replacing same in bedding relation to the mattress.
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