Predicate |
Object |
title |
superposed |
label |
D21H19/82 |
sameAs |
http://data.epo.org/linked-data/def/ipc/D21H19-82 http://www.wipo.int/classifications/ipc/ipcpub/?notion=scheme&symbol=D21H0019820000 |
broader |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H19-80 |