Predicate |
Object |
title |
Patenting furnaces |
label |
C21D9/64 |
sameAs |
http://www.wipo.int/classifications/ipc/ipcpub/?notion=scheme&symbol=C21D0009640000 http://data.epo.org/linked-data/def/ipc/C21D9-64 |
broader |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C21D9-54 |