CPC Subgroup
C09K 11/67 containing refractory metals
Full Title
Luminescent materials, e.g. electroluminescent or chemiluminescent > containing inorganic luminescent materials > containing refractory metals
8 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C09K 11/68 containing chromium, molybdenum or tungsten
- C09K 11/69 containing vanadium