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liquid crystal technology, which is used to produce a variety of modern lcd electronic displays . contents career works awards references external links career[ edit ] helfrich studied physics in munich, göttingen, and tübingen. helfrich joined rca in , became interested in charles-victor mauguin 's twisted...
one providing the cable with a tough, flexible, protective covering able to withstand exposure to sunlight. insulation: colored, foamed and high density polyethylene meeting physical and electrical requirements of client's specification. twining: insulated conductors, color coded as per table , are twisted...