Predicate |
Object |
title |
Plane diaphragms |
label |
H04R7/04 |
sameAs |
http://www.wipo.int/classifications/ipc/ipcpub/?notion=scheme&symbol=H04R0007040000 http://data.epo.org/linked-data/def/ipc/H04R7-04 |
broader |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04R7-02 |