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An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.
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| Number | Title | Issue Date |
| 7235175 | Device for treating hydrophilic sludge by hydraulic turbulence effect combined with oxidation and chemical reactions by additive input A method and device for treating sludge and slime to enable reuse in soil upgrading and in building material systems. Hydrophilic sludge and slime having a water content not less than 70% are continuously treated in a manner which enables colloid removal, dehydratio... | 06/26/2007 |
