DIFF Subgroup
C09K 11/60 containing iron, cobalt or nickel
Introduced: January 1985
Full Title
Luminescent materials, e.g. electroluminescent or chemiluminescent > containing inorganic luminescent materials > containing iron, cobalt or nickel
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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