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US08726512B2 Metal building panel and method of making same 有权
金属建筑面板及其制作方法

Metal building panel and method of making same
摘要:
A contoured metal building panel comprising an inner layer formed from a piece of flexible material that has been manipulated to create contours along its surface and an outer coating that substantially encases and hardens the flexible material so that the contours are substantially rigid and fixed.
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