Predicate |
Object |
title |
containing copper |
label |
C22C30/02 |
sameAs |
http://www.wipo.int/classifications/ipc/ipcpub/?notion=scheme&symbol=C22C0030020000 http://data.epo.org/linked-data/def/ipc/C22C30-02 |
broader |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C22C30-00 |