Predicate |
Object |
title |
Nitrogen oxides |
label |
B01D53/56 |
sameAs |
http://www.wipo.int/classifications/ipc/ipcpub/?notion=scheme&symbol=B01D0053560000 http://data.epo.org/linked-data/def/ipc/B01D53-56 |
broader |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D53-54 |