Predicate |
Object |
title |
of waste paper |
label |
D21B1/32 |
sameAs |
http://www.wipo.int/classifications/ipc/ipcpub/?notion=scheme&symbol=D21B0001320000 http://data.epo.org/linked-data/def/ipc/D21B1-32 |
broader |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21B1-30 |