Predicate |
Object |
title |
Slip-type elevators |
label |
E21B19/07 |
sameAs |
http://data.epo.org/linked-data/def/ipc/E21B19-07 http://www.wipo.int/classifications/ipc/ipcpub/?notion=scheme&symbol=E21B0019070000 |
broader |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B19-06 |