classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2020287253-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2019051947-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10074881-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9564645-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8807154-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10873115-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9537340-B2 |