TREA

used for attenuating light intensity

Follow

Industry

  • CPC
  • G02B27/281
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

GPHYSICS G02Optics G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS G02B27/00Other optical systems Other optical apparatus

Current Industry

G02B27/281used for attenuating light intensity
Industries