DIFF Subgroup
H05B 33/14 characterised by the chemical or physical composition or the arrangement of the electroluminescent material
Introduced: September 1968
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 the electroluminescent material
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open