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PCE
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CPC Main Group
G02B 1/00

Optical elements characterised by the material of which they are made; Optical coatings for optical elements

6 direct subcodes

Child Classifications

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  • G02B 1/02 made of crystals, e.g. rock-salt, semi-conductors (G02B1/08 takes precedence)
  • G02B 1/06 made of fluids in transparent cells
  • G02B 1/08 made of polarising materials