classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10717043-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/BR-112020007485-B1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10506817-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9731239-B2 |