TREA

having one or more elements with analytic function to create variable power

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Industry

  • CPC
  • G02B3/0081
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Parent Industries

GPHYSICS G02Optics G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS G02B3/00Simple or compound lenses

Current Industry

G02B3/0081having one or more elements with analytic function to create variable power
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