| http://www.w3.org/ns/prov#value | - ic geometric figures other than rings, such as squares, triangles, hexagons and numerous variationsthereof, such as described in U.S. Pat. Nos. 3,513,320, issued to Weldon, on May 19, 1970, and entitled Article Identification System Detecting Plurality of Colors Disposed on an Article, and U.S. Pat. No. 3,603,728, issued to Akimura, on Sep. 7,1979, and entitled Position and Direction Detecting
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