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RETROREFLECTIVE CUBE CORNER ARTICLE HAVING SCALENE BASE TRIANGLES
RETROREFLECTIVE CUBE CORNER ARTICLE HAVING SCALENE BASE TRIANGLES
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机译:具有Scalene基三角形的回射角制品
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摘要
The present invention provides improved cube corner retroreflective articles which exhibit a wide range of retroreflective entrance angularity in at least one plane, and preferably in two or more planes. An article in accordance with the present invention includes a structured surface having at least one array of cube corner elements formed by three intersecting sets of substantially parallel grooves. Each cube corner element includes a base triangle bonded by one groove from each of the three intersecting groove sets, the base triangle being scalene.
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