| 摘要 |
PROBLEM TO BE SOLVED: To provide footwear emitting no harmful substances such as dioxins in disposal and incineration by using no material derived from fossil fuels. SOLUTION: This footwear is formed by using natural rubber, leather, wood, paper and natural fiber and applied with the materials according to characteristics required for an upper 1, an insole 2, a heel 3, and an outsole 4 constituting the footwear, respectively. COPYRIGHT: (C)2009,JPO&INPIT
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