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US07673574B2 Multimaterial stitching skins preparation 失效
多重缝合皮肤准备

Multimaterial stitching skins preparation
Abstract:
The subject matter of the present invention is a method for joining at least two portions or sections of clothing or covering materials in the form of pieces of flexible skins, the materials of the two pieces of skin having a similar or different thickness and/or rigidity or folding stiffness, the join being formed between and along two edges folded opposite one another and in contact end to end of said pieces of skin, so as to form a joining line.
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