CPC Subgroup
C01F 17/241 containing two or more rare earth metals, e.g. NdPrO3 or LaNdPrO3
Full Title
Compounds of rare earth metals > Compounds containing only rare earth metals as the metal element > oxide or hydroxide being the only anion > containing two or more rare earth metals, e.g. NdPrO3 or LaNdPrO3