http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F28F21-04
Outgoing Links
Predicate | Object |
---|---|
title | of ceramic; of concrete; of natural stone |
label | F28F21/04 |
sameAs | http://data.epo.org/linked-data/def/ipc/F28F21-04 http://www.wipo.int/classifications/ipc/ipcpub/?notion=scheme&symbol=F28F0021040000 |
broader | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F28F21-00 |
Incoming Links
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