classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-2487621-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2019228121-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8965745-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10344358-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9492250-B2 |