TREA

the lens being in the form of a sphere or ball

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Industry

  • CPC
  • G02B7/027
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Parent Industries

GPHYSICS G02Optics G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements

Current Industry

G02B7/027the lens being in the form of a sphere or ball
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