Predicate |
Object |
title |
of light sources |
label |
F21V29/503 |
sameAs |
http://www.wipo.int/classifications/ipc/ipcpub/?notion=scheme&symbol=F21V0029503000 http://data.epo.org/linked-data/def/ipc/F21V29-503 |
broader |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F21V29-502 |