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US09560895B2 Weighted shoe insole and method for making the same 有权
加厚鞋垫及其制作方法

Weighted shoe insole and method for making the same
Abstract:
A weighted insole assembly, comprising a top thermoformable material layer, a bottom thermoformable material layer, and a weighted unit encapsulated between the top and bottom thermoformable material layers, the weighted unit including a heavy filler material and having a specific gravity between about 2.0 and about 4.0
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