http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B37-00
Outgoing Links
Predicate | Object |
---|---|
title | Methods or apparatus for cleaning boreholes or wells |
label | E21B37/00 |
sameAs | http://data.epo.org/linked-data/def/ipc/E21B37-00 http://www.wipo.int/classifications/ipc/ipcpub/?notion=scheme&symbol=E21B0037000000 |
broader | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/E21B |
Incoming Links
Total number of triples: 2317.