classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-4988182-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2006161028-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2006336015-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-204895071-U http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-204895069-U |