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PCE
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CPC Subgroup
H05B 33/24

of metallic reflective layers (H05B33/26 takes precedence)

Full Title

Electroluminescent light sources > Light sources with substantially two-dimensional [2D] radiating surfaces > characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers > of metallic reflective layers (H05B33/26 takes precedence)