TREA

Special properties achieved by the combination of the front and back surfaces

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Industry

  • CPC
  • G02C7/068
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Parent Industries

GPHYSICS G02Optics G02CSPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES CONTACT LENSES G02C7/00Optical parts

Current Industry

G02C7/068Special properties achieved by the combination of the front and back surfaces
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