DIFF Subgroup
C09K 11/66 containing germanium, tin or lead
Introduced: January 1985
Full Title
Luminescent materials, e.g. electroluminescent or chemiluminescent > containing inorganic luminescent materials > containing germanium, tin or lead
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.
Child Classifications
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