DIFF Subgroup
C09K 11/55 containing beryllium, magnesium, alkali metals or alkaline earth metals
Introduced: January 1985
Full Title
Luminescent materials, e.g. electroluminescent or chemiluminescent > containing inorganic luminescent materials > containing beryllium, magnesium, alkali metals or alkaline earth metals
No child classifications to compare. This is a leaf node in both IPC and CPC.