Merkliste 
 1 Ergebnisse 
 
1

E-I index of the sector in the International Patent Classif..:

Sungdo Jung (11106100) ; Keungoui Kim (11106103) ; Changjun Lee (2219410)
https://figshare.com/articles/dataset/E-I_index_of_the_sector_in_the_International_Patent_Classification_network_/14943535.  , 2021