| 摘要 |
PURPOSE: A mattress having different hardness by the body parts is provided to select an independent elastic body structure suitably to physical distinctions and to use comfortably by offering appropriate hardness to the uncomfortable body part of a user. CONSTITUTION: The mattress(10) having different hardness by the body parts comprises the steps of assembling many independent elastic body structures(11) manufactured by foam to holes bored at regular intervals on an independent elastic body supportive body(12), placing a buffer sponge(13) up and down, and forming an exterior packing material(15) attached with a zipper(14).
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