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Foam mattress core comprises a central insert located within a mattress shoulder region and made of a harder material than the surrounding shoulder region
Foam mattress core comprises a central insert located within a mattress shoulder region and made of a harder material than the surrounding shoulder region
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机译：泡沫床垫芯包括位于床垫肩部区域内的中央插入物，该中央插入物由比周围肩部区域更硬的材料制成
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摘要
The foam mattress core (10) with several layers comprises a central insert (20) which is located within a mattress shoulder region (S) and is made of a harder material than the surrounding shoulder region.
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