| http://www.w3.org/ns/prov#value | - This problem becomes especially severe incantilevered or other areas of the rigid object, which areas are not immediately over a substrate.Therefore, it is an object of this invention to resolve the problem cited above by incorporating radiation deflecting matter in the photohardenable composition in order to limit the depth of photohardening with simultaneous increase of the widthof photohardenin
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