Predicate |
Object |
title |
of noble metals |
label |
C25C1/20 |
sameAs |
http://www.wipo.int/classifications/ipc/ipcpub/?notion=scheme&symbol=C25C0001200000 http://data.epo.org/linked-data/def/ipc/C25C1-20 |
broader |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C25C1-00 |