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Ottoman with thermally insulated chamber
Ottoman with thermally insulated chamber
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机译：奥斯曼保温室
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摘要
An ottoman with a thermally insulated chamber includes an airtight inner wall and an airtight outer wall, the inner wall being coaxial with and shorter that the outer wall; an airtight top wall secured to the periphery of the top of the outer wall, and an airtight bottom wall secured to the peripheries of the bottoms of the inner and outer wall; and an airtight mid-level wall intermediate the tip and bottom walls and secured to the periphery of the top of the inner wall. The inner wall and the mid-level wall define the interior of an axially-extending thermally insulated chamber closed at the chamber top and open at the chamber bottom. Preferably the inner, outer, top, bottom and mid-level walls cooperatively define an airtight thermally insulating chamber filled with a thermally-insulating body of stagnant gas.
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